487990100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 1228421376

約数和(自身を除く): 740431276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 71, 85, 100, 130, 142, 170, 221, 260, 284, 311, 325, 340, 355, 425, 442, 622, 650, 710, 850, 884, 923, 1105, 1207, 1244, 1300, 1420, 1555, 1700, 1775, 1846, 2210, 2414, 3110, 3550, 3692, 4043, 4420, 4615, 4828, 5287, 5525, 6035, 6220, 7100, 7775, 8086, 9230, 10574, 11050, 12070, 15550, 15691, 16172, 18460, 20215, 21148, 22081, 22100, 23075, 24140, 26435, 30175, 31100, 31382, 40430, 44162, 46150, 52870, 60350, 62764, 68731, 78455, 80860, 88324, 92300, 101075, 105740, 110405, 120700, 132175, 137462, 156910, 202150, 220810, 264350, 274924, 287053, 313820, 343655, 375377, 392275, 404300, 441620, 528700, 552025, 574106, 687310, 750754, 784550, 1104050, 1148212, 1374620, 1435265, 1501508, 1569100, 1718275, 1876885, 2208100, 2870530, 3436550, 3753770, 4879901, 5741060, 6873100, 7176325, 7507540, 9384425, 9759802, 14352650, 18768850, 19519604, 24399505, 28705300, 37537700, 48799010, 97598020, 121997525, 243995050, 487990100]

約数ペア:

[(1, 487990100), (2, 243995050), (4, 121997525), (5, 97598020), (10, 48799010), (13, 37537700), (17, 28705300), (20, 24399505), (25, 19519604), (26, 18768850), (34, 14352650), (50, 9759802), (52, 9384425), (65, 7507540), (68, 7176325), (71, 6873100), (85, 5741060), (100, 4879901), (130, 3753770), (142, 3436550), (170, 2870530), (221, 2208100), (260, 1876885), (284, 1718275), (311, 1569100), (325, 1501508), (340, 1435265), (355, 1374620), (425, 1148212), (442, 1104050), (622, 784550), (650, 750754), (710, 687310), (850, 574106), (884, 552025), (923, 528700), (1105, 441620), (1207, 404300), (1244, 392275), (1300, 375377), (1420, 343655), (1555, 313820), (1700, 287053), (1775, 274924), (1846, 264350), (2210, 220810), (2414, 202150), (3110, 156910), (3550, 137462), (3692, 132175), (4043, 120700), (4420, 110405), (4615, 105740), (4828, 101075), (5287, 92300), (5525, 88324), (6035, 80860), (6220, 78455), (7100, 68731), (7775, 62764), (8086, 60350), (9230, 52870), (10574, 46150), (11050, 44162), (12070, 40430), (15550, 31382), (15691, 31100), (16172, 30175), (18460, 26435), (20215, 24140), (21148, 23075), (22081, 22100)]