90199175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 131003520

約数和(自身を除く): 40804345

約数列:

[1, 5, 11, 19, 25, 55, 61, 95, 209, 275, 283, 305, 475, 671, 1045, 1159, 1415, 1525, 3113, 3355, 5225, 5377, 5795, 7075, 12749, 15565, 16775, 17263, 26885, 28975, 59147, 63745, 77825, 86315, 134425, 189893, 295735, 318725, 327997, 431575, 949465, 1478675, 1639985, 3607967, 4747325, 8199925, 18039835, 90199175]

約数ペア:

[(1, 90199175), (5, 18039835), (11, 8199925), (19, 4747325), (25, 3607967), (55, 1639985), (61, 1478675), (95, 949465), (209, 431575), (275, 327997), (283, 318725), (305, 295735), (475, 189893), (671, 134425), (1045, 86315), (1159, 77825), (1415, 63745), (1525, 59147), (3113, 28975), (3355, 26885), (5225, 17263), (5377, 16775), (5795, 15565), (7075, 12749)]