209576430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 681984000

約数和(自身を除く): 472407570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 49, 54, 62, 63, 70, 73, 90, 93, 98, 105, 126, 135, 146, 147, 155, 186, 189, 210, 217, 219, 245, 270, 279, 294, 310, 315, 343, 365, 378, 434, 438, 441, 465, 490, 511, 558, 630, 651, 657, 686, 730, 735, 837, 882, 930, 945, 1022, 1029, 1085, 1095, 1302, 1314, 1323, 1395, 1470, 1519, 1533, 1674, 1715, 1890, 1953, 1971, 2058, 2170, 2190, 2205, 2263, 2555, 2646, 2790, 3038, 3066, 3087, 3255, 3285, 3430, 3577, 3906, 3942, 4185, 4410, 4526, 4557, 4599, 5110, 5145, 5859, 6174, 6510, 6570, 6615, 6789, 7154, 7595, 7665, 8370, 9114, 9198, 9261, 9765, 9855, 10290, 10633, 10731, 11315, 11718, 13230, 13578, 13671, 13797, 15190, 15330, 15435, 15841, 17885, 18522, 19530, 19710, 20367, 21266, 21462, 22630, 22785, 22995, 25039, 27342, 27594, 29295, 30870, 31682, 31899, 32193, 33945, 35770, 40734, 41013, 45570, 45990, 46305, 47523, 50078, 53165, 53655, 58590, 61101, 63798, 64386, 67890, 68355, 68985, 75117, 79205, 82026, 92610, 95046, 95697, 96579, 101835, 106330, 107310, 110887, 122202, 125195, 136710, 137970, 142569, 150234, 158410, 159495, 160965, 191394, 193158, 203670, 205065, 221774, 225351, 237615, 250390, 285138, 287091, 305505, 318990, 321930, 332661, 375585, 410130, 427707, 450702, 475230, 478485, 482895, 554435, 574182, 611010, 665322, 676053, 712845, 751170, 776209, 855414, 956970, 965790, 997983, 1108870, 1126755, 1352106, 1425690, 1435455, 1552418, 1663305, 1995966, 2138535, 2253510, 2328627, 2870910, 2993949, 3326610, 3380265, 3881045, 4277070, 4657254, 4989915, 5987898, 6760530, 6985881, 7762090, 9979830, 11643135, 13971762, 14969745, 20957643, 23286270, 29939490, 34929405, 41915286, 69858810, 104788215, 209576430]

約数ペア:

[(1, 209576430), (2, 104788215), (3, 69858810), (5, 41915286), (6, 34929405), (7, 29939490), (9, 23286270), (10, 20957643), (14, 14969745), (15, 13971762), (18, 11643135), (21, 9979830), (27, 7762090), (30, 6985881), (31, 6760530), (35, 5987898), (42, 4989915), (45, 4657254), (49, 4277070), (54, 3881045), (62, 3380265), (63, 3326610), (70, 2993949), (73, 2870910), (90, 2328627), (93, 2253510), (98, 2138535), (105, 1995966), (126, 1663305), (135, 1552418), (146, 1435455), (147, 1425690), (155, 1352106), (186, 1126755), (189, 1108870), (210, 997983), (217, 965790), (219, 956970), (245, 855414), (270, 776209), (279, 751170), (294, 712845), (310, 676053), (315, 665322), (343, 611010), (365, 574182), (378, 554435), (434, 482895), (438, 478485), (441, 475230), (465, 450702), (490, 427707), (511, 410130), (558, 375585), (630, 332661), (651, 321930), (657, 318990), (686, 305505), (730, 287091), (735, 285138), (837, 250390), (882, 237615), (930, 225351), (945, 221774), (1022, 205065), (1029, 203670), (1085, 193158), (1095, 191394), (1302, 160965), (1314, 159495), (1323, 158410), (1395, 150234), (1470, 142569), (1519, 137970), (1533, 136710), (1674, 125195), (1715, 122202), (1890, 110887), (1953, 107310), (1971, 106330), (2058, 101835), (2170, 96579), (2190, 95697), (2205, 95046), (2263, 92610), (2555, 82026), (2646, 79205), (2790, 75117), (3038, 68985), (3066, 68355), (3087, 67890), (3255, 64386), (3285, 63798), (3430, 61101), (3577, 58590), (3906, 53655), (3942, 53165), (4185, 50078), (4410, 47523), (4526, 46305), (4557, 45990), (4599, 45570), (5110, 41013), (5145, 40734), (5859, 35770), (6174, 33945), (6510, 32193), (6570, 31899), (6615, 31682), (6789, 30870), (7154, 29295), (7595, 27594), (7665, 27342), (8370, 25039), (9114, 22995), (9198, 22785), (9261, 22630), (9765, 21462), (9855, 21266), (10290, 20367), (10633, 19710), (10731, 19530), (11315, 18522), (11718, 17885), (13230, 15841), (13578, 15435), (13671, 15330), (13797, 15190)]