201891880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 469592640

約数和(自身を除く): 267700760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1097, 1720, 2140, 2194, 4280, 4388, 4601, 5485, 8776, 9202, 10970, 18404, 21940, 23005, 36808, 43880, 46010, 47171, 92020, 94342, 117379, 184040, 188684, 234758, 235855, 377368, 469516, 471710, 586895, 939032, 943420, 1173790, 1886840, 2347580, 4695160, 5047297, 10094594, 20189188, 25236485, 40378376, 50472970, 100945940, 201891880]

約数ペア:

[(1, 201891880), (2, 100945940), (4, 50472970), (5, 40378376), (8, 25236485), (10, 20189188), (20, 10094594), (40, 5047297), (43, 4695160), (86, 2347580), (107, 1886840), (172, 1173790), (214, 943420), (215, 939032), (344, 586895), (428, 471710), (430, 469516), (535, 377368), (856, 235855), (860, 234758), (1070, 188684), (1097, 184040), (1720, 117379), (2140, 94342), (2194, 92020), (4280, 47171), (4388, 46010), (4601, 43880), (5485, 36808), (8776, 23005), (9202, 21940), (10970, 18404)]