902118860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{15121}}^1$

素因数の和:15306

約数の個数: 48

約数和(自身を含む): 2006991840

約数和(自身を除く): 1104872980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2983, 3140, 5966, 11932, 14915, 15121, 29830, 30242, 59660, 60484, 75605, 151210, 287299, 302420, 574598, 1149196, 1436495, 2373997, 2872990, 4747994, 5745980, 9495988, 11869985, 23739970, 45105943, 47479940, 90211886, 180423772, 225529715, 451059430, 902118860]

約数ペア:

[(1, 902118860), (2, 451059430), (4, 225529715), (5, 180423772), (10, 90211886), (19, 47479940), (20, 45105943), (38, 23739970), (76, 11869985), (95, 9495988), (157, 5745980), (190, 4747994), (314, 2872990), (380, 2373997), (628, 1436495), (785, 1149196), (1570, 574598), (2983, 302420), (3140, 287299), (5966, 151210), (11932, 75605), (14915, 60484), (15121, 59660), (29830, 30242)]