214664840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7789}}^1$

素因数の和:7866

約数の個数: 64

約数和(自身を含む): 530031600

約数和(自身を除く): 315366760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 7789, 13780, 15578, 27560, 31156, 38945, 62312, 77890, 101257, 155780, 202514, 311560, 405028, 412817, 506285, 810056, 825634, 1012570, 1651268, 2025140, 2064085, 3302536, 4050280, 4128170, 5366621, 8256340, 10733242, 16512680, 21466484, 26833105, 42932968, 53666210, 107332420, 214664840]

約数ペア:

[(1, 214664840), (2, 107332420), (4, 53666210), (5, 42932968), (8, 26833105), (10, 21466484), (13, 16512680), (20, 10733242), (26, 8256340), (40, 5366621), (52, 4128170), (53, 4050280), (65, 3302536), (104, 2064085), (106, 2025140), (130, 1651268), (212, 1012570), (260, 825634), (265, 810056), (424, 506285), (520, 412817), (530, 405028), (689, 311560), (1060, 202514), (1378, 155780), (2120, 101257), (2756, 77890), (3445, 62312), (5512, 38945), (6890, 31156), (7789, 27560), (13780, 15578)]