257712700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16007}}^1$

素因数の和:16051

約数の個数: 72

約数和(自身を含む): 666957312

約数和(自身を除く): 409244612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16007, 16100, 32014, 64028, 80035, 112049, 160070, 224098, 320140, 368161, 400175, 448196, 560245, 736322, 800350, 1120490, 1472644, 1600700, 1840805, 2240980, 2577127, 2801225, 3681610, 5154254, 5602450, 7363220, 9204025, 10308508, 11204900, 12885635, 18408050, 25771270, 36816100, 51542540, 64428175, 128856350, 257712700]

約数ペア:

[(1, 257712700), (2, 128856350), (4, 64428175), (5, 51542540), (7, 36816100), (10, 25771270), (14, 18408050), (20, 12885635), (23, 11204900), (25, 10308508), (28, 9204025), (35, 7363220), (46, 5602450), (50, 5154254), (70, 3681610), (92, 2801225), (100, 2577127), (115, 2240980), (140, 1840805), (161, 1600700), (175, 1472644), (230, 1120490), (322, 800350), (350, 736322), (460, 560245), (575, 448196), (644, 400175), (700, 368161), (805, 320140), (1150, 224098), (1610, 160070), (2300, 112049), (3220, 80035), (4025, 64028), (8050, 32014), (16007, 16100)]