289916900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31859}}^1$

素因数の和:31893

約数の個数: 72

約数和(自身を含む): 774325440

約数和(自身を除く): 484408540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 31859, 63718, 127436, 159295, 223013, 318590, 414167, 446026, 637180, 796475, 828334, 892052, 1115065, 1592950, 1656668, 2070835, 2230130, 2899169, 3185900, 4141670, 4460260, 5575325, 5798338, 8283340, 10354175, 11150650, 11596676, 14495845, 20708350, 22301300, 28991690, 41416700, 57983380, 72479225, 144958450, 289916900]

約数ペア:

[(1, 289916900), (2, 144958450), (4, 72479225), (5, 57983380), (7, 41416700), (10, 28991690), (13, 22301300), (14, 20708350), (20, 14495845), (25, 11596676), (26, 11150650), (28, 10354175), (35, 8283340), (50, 5798338), (52, 5575325), (65, 4460260), (70, 4141670), (91, 3185900), (100, 2899169), (130, 2230130), (140, 2070835), (175, 1656668), (182, 1592950), (260, 1115065), (325, 892052), (350, 828334), (364, 796475), (455, 637180), (650, 446026), (700, 414167), (910, 318590), (1300, 223013), (1820, 159295), (2275, 127436), (4550, 63718), (9100, 31859)]