31603460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 80579520

約数和(自身を除く): 48976060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 109, 133, 140, 190, 218, 266, 380, 436, 532, 545, 665, 763, 1090, 1330, 1526, 2071, 2180, 2660, 3052, 3815, 4142, 7630, 8284, 10355, 11881, 14497, 15260, 20710, 23762, 28994, 41420, 47524, 57988, 59405, 72485, 83167, 118810, 144970, 166334, 225739, 237620, 289940, 332668, 415835, 451478, 831670, 902956, 1128695, 1580173, 1663340, 2257390, 3160346, 4514780, 6320692, 7900865, 15801730, 31603460]

約数ペア:

[(1, 31603460), (2, 15801730), (4, 7900865), (5, 6320692), (7, 4514780), (10, 3160346), (14, 2257390), (19, 1663340), (20, 1580173), (28, 1128695), (35, 902956), (38, 831670), (70, 451478), (76, 415835), (95, 332668), (109, 289940), (133, 237620), (140, 225739), (190, 166334), (218, 144970), (266, 118810), (380, 83167), (436, 72485), (532, 59405), (545, 57988), (665, 47524), (763, 41420), (1090, 28994), (1330, 23762), (1526, 20710), (2071, 15260), (2180, 14497), (2660, 11881), (3052, 10355), (3815, 8284), (4142, 7630)]