12972700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 32154192

約数和(自身を除く): 19181492

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 587, 650, 850, 884, 1105, 1174, 1300, 1700, 2210, 2348, 2935, 4420, 5525, 5870, 7631, 9979, 11050, 11740, 14675, 15262, 19958, 22100, 29350, 30524, 38155, 39916, 49895, 58700, 76310, 99790, 129727, 152620, 190775, 199580, 249475, 259454, 381550, 498950, 518908, 648635, 763100, 997900, 1297270, 2594540, 3243175, 6486350, 12972700]

約数ペア:

[(1, 12972700), (2, 6486350), (4, 3243175), (5, 2594540), (10, 1297270), (13, 997900), (17, 763100), (20, 648635), (25, 518908), (26, 498950), (34, 381550), (50, 259454), (52, 249475), (65, 199580), (68, 190775), (85, 152620), (100, 129727), (130, 99790), (170, 76310), (221, 58700), (260, 49895), (325, 39916), (340, 38155), (425, 30524), (442, 29350), (587, 22100), (650, 19958), (850, 15262), (884, 14675), (1105, 11740), (1174, 11050), (1300, 9979), (1700, 7631), (2210, 5870), (2348, 5525), (2935, 4420)]