2021873750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 120

約数和(自身を含む): 4352862888

約数和(自身を除く): 2330989138

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 169, 170, 221, 250, 325, 338, 425, 442, 563, 625, 650, 845, 850, 1105, 1126, 1250, 1625, 1690, 2125, 2210, 2815, 2873, 3250, 4225, 4250, 5525, 5630, 5746, 7319, 8125, 8450, 9571, 10625, 11050, 14075, 14365, 14638, 16250, 19142, 21125, 21250, 27625, 28150, 28730, 36595, 42250, 47855, 55250, 70375, 71825, 73190, 95147, 95710, 105625, 124423, 138125, 140750, 143650, 182975, 190294, 211250, 239275, 248846, 276250, 351875, 359125, 365950, 475735, 478550, 622115, 703750, 718250, 914875, 951470, 1196375, 1244230, 1617499, 1795625, 1829750, 2378675, 2392750, 3110575, 3234998, 3591250, 4574375, 4757350, 5981875, 6221150, 8087495, 9148750, 11893375, 11963750, 15552875, 16174990, 23786750, 31105750, 40437475, 59466875, 77764375, 80874950, 118933750, 155528750, 202187375, 404374750, 1010936875, 2021873750]

約数ペア:

[(1, 2021873750), (2, 1010936875), (5, 404374750), (10, 202187375), (13, 155528750), (17, 118933750), (25, 80874950), (26, 77764375), (34, 59466875), (50, 40437475), (65, 31105750), (85, 23786750), (125, 16174990), (130, 15552875), (169, 11963750), (170, 11893375), (221, 9148750), (250, 8087495), (325, 6221150), (338, 5981875), (425, 4757350), (442, 4574375), (563, 3591250), (625, 3234998), (650, 3110575), (845, 2392750), (850, 2378675), (1105, 1829750), (1126, 1795625), (1250, 1617499), (1625, 1244230), (1690, 1196375), (2125, 951470), (2210, 914875), (2815, 718250), (2873, 703750), (3250, 622115), (4225, 478550), (4250, 475735), (5525, 365950), (5630, 359125), (5746, 351875), (7319, 276250), (8125, 248846), (8450, 239275), (9571, 211250), (10625, 190294), (11050, 182975), (14075, 143650), (14365, 140750), (14638, 138125), (16250, 124423), (19142, 105625), (21125, 95710), (21250, 95147), (27625, 73190), (28150, 71825), (28730, 70375), (36595, 55250), (42250, 47855)]