31105750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 66515904

約数和(自身を除く): 35410154

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 563, 650, 850, 1105, 1126, 1625, 2125, 2210, 2815, 3250, 4250, 5525, 5630, 7319, 9571, 11050, 14075, 14638, 19142, 27625, 28150, 36595, 47855, 55250, 70375, 73190, 95710, 124423, 140750, 182975, 239275, 248846, 365950, 478550, 622115, 914875, 1196375, 1244230, 1829750, 2392750, 3110575, 6221150, 15552875, 31105750]

約数ペア:

[(1, 31105750), (2, 15552875), (5, 6221150), (10, 3110575), (13, 2392750), (17, 1829750), (25, 1244230), (26, 1196375), (34, 914875), (50, 622115), (65, 478550), (85, 365950), (125, 248846), (130, 239275), (170, 182975), (221, 140750), (250, 124423), (325, 95710), (425, 73190), (442, 70375), (563, 55250), (650, 47855), (850, 36595), (1105, 28150), (1126, 27625), (1625, 19142), (2125, 14638), (2210, 14075), (2815, 11050), (3250, 9571), (4250, 7319), (5525, 5630)]