320206900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14489}}^1$

素因数の和:14533

約数の個数: 72

約数和(自身を含む): 792371160

約数和(自身を除く): 472164260

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, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 11050, 14489, 22100, 28978, 57956, 72445, 144890, 188357, 246313, 289780, 362225, 376714, 492626, 724450, 753428, 941785, 985252, 1231565, 1448900, 1883570, 2463130, 3202069, 3767140, 4708925, 4926260, 6157825, 6404138, 9417850, 12315650, 12808276, 16010345, 18835700, 24631300, 32020690, 64041380, 80051725, 160103450, 320206900]

約数ペア:

[(1, 320206900), (2, 160103450), (4, 80051725), (5, 64041380), (10, 32020690), (13, 24631300), (17, 18835700), (20, 16010345), (25, 12808276), (26, 12315650), (34, 9417850), (50, 6404138), (52, 6157825), (65, 4926260), (68, 4708925), (85, 3767140), (100, 3202069), (130, 2463130), (170, 1883570), (221, 1448900), (260, 1231565), (325, 985252), (340, 941785), (425, 753428), (442, 724450), (650, 492626), (850, 376714), (884, 362225), (1105, 289780), (1300, 246313), (1700, 188357), (2210, 144890), (4420, 72445), (5525, 57956), (11050, 28978), (14489, 22100)]