206998470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3587

約数の個数: 128

約数和(自身を含む): 651386880

約数和(自身を除く): 444388410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3533, 3906, 4185, 5859, 6510, 7066, 8370, 9765, 10599, 11718, 17665, 19530, 21198, 24731, 29295, 31797, 35330, 49462, 52995, 58590, 63594, 74193, 95391, 105990, 109523, 123655, 148386, 158985, 190782, 219046, 222579, 247310, 317970, 328569, 370965, 445158, 476955, 547615, 657138, 667737, 741930, 766661, 953910, 985707, 1095230, 1112895, 1335474, 1533322, 1642845, 1971414, 2225790, 2299983, 2957121, 3285690, 3338685, 3833305, 4599966, 4928535, 5914242, 6677370, 6899949, 7666610, 9857070, 11499915, 13799898, 14785605, 20699847, 22999830, 29571210, 34499745, 41399694, 68999490, 103499235, 206998470]

約数ペア:

[(1, 206998470), (2, 103499235), (3, 68999490), (5, 41399694), (6, 34499745), (7, 29571210), (9, 22999830), (10, 20699847), (14, 14785605), (15, 13799898), (18, 11499915), (21, 9857070), (27, 7666610), (30, 6899949), (31, 6677370), (35, 5914242), (42, 4928535), (45, 4599966), (54, 3833305), (62, 3338685), (63, 3285690), (70, 2957121), (90, 2299983), (93, 2225790), (105, 1971414), (126, 1642845), (135, 1533322), (155, 1335474), (186, 1112895), (189, 1095230), (210, 985707), (217, 953910), (270, 766661), (279, 741930), (310, 667737), (315, 657138), (378, 547615), (434, 476955), (465, 445158), (558, 370965), (630, 328569), (651, 317970), (837, 247310), (930, 222579), (945, 219046), (1085, 190782), (1302, 158985), (1395, 148386), (1674, 123655), (1890, 109523), (1953, 105990), (2170, 95391), (2790, 74193), (3255, 63594), (3533, 58590), (3906, 52995), (4185, 49462), (5859, 35330), (6510, 31797), (7066, 29295), (8370, 24731), (9765, 21198), (10599, 19530), (11718, 17665)]