28009020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 85377600

約数和(自身を除く): 57368580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 241, 260, 298, 390, 447, 482, 596, 723, 745, 780, 894, 964, 1205, 1446, 1490, 1788, 1937, 2235, 2410, 2892, 2980, 3133, 3615, 3874, 4470, 4820, 5811, 6266, 7230, 7748, 8940, 9399, 9685, 11622, 12532, 14460, 15665, 18798, 19370, 23244, 29055, 31330, 35909, 37596, 38740, 46995, 58110, 62660, 71818, 93990, 107727, 116220, 143636, 179545, 187980, 215454, 359090, 430908, 466817, 538635, 718180, 933634, 1077270, 1400451, 1867268, 2154540, 2334085, 2800902, 4668170, 5601804, 7002255, 9336340, 14004510, 28009020]

約数ペア:

[(1, 28009020), (2, 14004510), (3, 9336340), (4, 7002255), (5, 5601804), (6, 4668170), (10, 2800902), (12, 2334085), (13, 2154540), (15, 1867268), (20, 1400451), (26, 1077270), (30, 933634), (39, 718180), (52, 538635), (60, 466817), (65, 430908), (78, 359090), (130, 215454), (149, 187980), (156, 179545), (195, 143636), (241, 116220), (260, 107727), (298, 93990), (390, 71818), (447, 62660), (482, 58110), (596, 46995), (723, 38740), (745, 37596), (780, 35909), (894, 31330), (964, 29055), (1205, 23244), (1446, 19370), (1490, 18798), (1788, 15665), (1937, 14460), (2235, 12532), (2410, 11622), (2892, 9685), (2980, 9399), (3133, 8940), (3615, 7748), (3874, 7230), (4470, 6266), (4820, 5811)]