201543640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 479196000

約数和(自身を除く): 277652360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 509, 521, 760, 1018, 1042, 2036, 2084, 2545, 2605, 4072, 4168, 5090, 5210, 9671, 9899, 10180, 10420, 19342, 19798, 20360, 20840, 38684, 39596, 48355, 49495, 77368, 79192, 96710, 98990, 193420, 197980, 265189, 386840, 395960, 530378, 1060756, 1325945, 2121512, 2651890, 5038591, 5303780, 10077182, 10607560, 20154364, 25192955, 40308728, 50385910, 100771820, 201543640]

約数ペア:

[(1, 201543640), (2, 100771820), (4, 50385910), (5, 40308728), (8, 25192955), (10, 20154364), (19, 10607560), (20, 10077182), (38, 5303780), (40, 5038591), (76, 2651890), (95, 2121512), (152, 1325945), (190, 1060756), (380, 530378), (509, 395960), (521, 386840), (760, 265189), (1018, 197980), (1042, 193420), (2036, 98990), (2084, 96710), (2545, 79192), (2605, 77368), (4072, 49495), (4168, 48355), (5090, 39596), (5210, 38684), (9671, 20840), (9899, 20360), (10180, 19798), (10420, 19342)]