197715210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 617766912

約数和(自身を除く): 420051702

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 121, 154, 155, 165, 186, 210, 217, 231, 242, 251, 310, 330, 341, 363, 385, 434, 462, 465, 502, 605, 651, 682, 726, 753, 770, 847, 930, 1023, 1085, 1155, 1210, 1255, 1302, 1506, 1694, 1705, 1757, 1815, 2046, 2170, 2310, 2387, 2510, 2541, 2761, 3255, 3410, 3514, 3630, 3751, 3765, 4235, 4774, 5082, 5115, 5271, 5522, 6510, 7161, 7502, 7530, 7781, 8283, 8470, 8785, 10230, 10542, 11253, 11935, 12705, 13805, 14322, 15562, 16566, 17570, 18755, 19327, 22506, 23343, 23870, 25410, 26257, 26355, 27610, 30371, 35805, 37510, 38654, 38905, 41415, 46686, 52514, 52710, 54467, 56265, 57981, 60742, 71610, 77810, 78771, 82830, 85591, 91113, 96635, 108934, 112530, 115962, 116715, 131285, 151855, 157542, 163401, 171182, 182226, 193270, 212597, 233430, 256773, 262570, 272335, 289905, 303710, 326802, 393855, 425194, 427955, 455565, 513546, 544670, 579810, 599137, 637791, 787710, 817005, 855910, 911130, 941501, 1062985, 1198274, 1275582, 1283865, 1634010, 1797411, 1883002, 2125970, 2567730, 2824503, 2995685, 3188955, 3594822, 4707505, 5649006, 5991370, 6377910, 6590507, 8987055, 9415010, 13181014, 14122515, 17974110, 19771521, 28245030, 32952535, 39543042, 65905070, 98857605, 197715210]

約数ペア:

[(1, 197715210), (2, 98857605), (3, 65905070), (5, 39543042), (6, 32952535), (7, 28245030), (10, 19771521), (11, 17974110), (14, 14122515), (15, 13181014), (21, 9415010), (22, 8987055), (30, 6590507), (31, 6377910), (33, 5991370), (35, 5649006), (42, 4707505), (55, 3594822), (62, 3188955), (66, 2995685), (70, 2824503), (77, 2567730), (93, 2125970), (105, 1883002), (110, 1797411), (121, 1634010), (154, 1283865), (155, 1275582), (165, 1198274), (186, 1062985), (210, 941501), (217, 911130), (231, 855910), (242, 817005), (251, 787710), (310, 637791), (330, 599137), (341, 579810), (363, 544670), (385, 513546), (434, 455565), (462, 427955), (465, 425194), (502, 393855), (605, 326802), (651, 303710), (682, 289905), (726, 272335), (753, 262570), (770, 256773), (847, 233430), (930, 212597), (1023, 193270), (1085, 182226), (1155, 171182), (1210, 163401), (1255, 157542), (1302, 151855), (1506, 131285), (1694, 116715), (1705, 115962), (1757, 112530), (1815, 108934), (2046, 96635), (2170, 91113), (2310, 85591), (2387, 82830), (2510, 78771), (2541, 77810), (2761, 71610), (3255, 60742), (3410, 57981), (3514, 56265), (3630, 54467), (3751, 52710), (3765, 52514), (4235, 46686), (4774, 41415), (5082, 38905), (5115, 38654), (5271, 37510), (5522, 35805), (6510, 30371), (7161, 27610), (7502, 26355), (7530, 26257), (7781, 25410), (8283, 23870), (8470, 23343), (8785, 22506), (10230, 19327), (10542, 18755), (11253, 17570), (11935, 16566), (12705, 15562), (13805, 14322)]