389294520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23339}}^1$

素因数の和:23492

約数の個数: 64

約数和(自身を含む): 1176336000

約数和(自身を除く): 787041480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 23339, 46678, 70017, 93356, 116695, 140034, 186712, 233390, 280068, 350085, 466780, 560136, 700170, 933560, 1400340, 2800680, 3244121, 6488242, 9732363, 12976484, 16220605, 19464726, 25952968, 32441210, 38929452, 48661815, 64882420, 77858904, 97323630, 129764840, 194647260, 389294520]

約数ペア:

[(1, 389294520), (2, 194647260), (3, 129764840), (4, 97323630), (5, 77858904), (6, 64882420), (8, 48661815), (10, 38929452), (12, 32441210), (15, 25952968), (20, 19464726), (24, 16220605), (30, 12976484), (40, 9732363), (60, 6488242), (120, 3244121), (139, 2800680), (278, 1400340), (417, 933560), (556, 700170), (695, 560136), (834, 466780), (1112, 350085), (1390, 280068), (1668, 233390), (2085, 186712), (2780, 140034), (3336, 116695), (4170, 93356), (5560, 70017), (8340, 46678), (16680, 23339)]