305029140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391063}}^1$

素因数の和:391088

約数の個数: 48

約数和(自身を含む): 919782528

約数和(自身を除く): 614753388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 391063, 782126, 1173189, 1564252, 1955315, 2346378, 3910630, 4692756, 5083819, 5865945, 7821260, 10167638, 11731890, 15251457, 20335276, 23463780, 25419095, 30502914, 50838190, 61005828, 76257285, 101676380, 152514570, 305029140]

約数ペア:

[(1, 305029140), (2, 152514570), (3, 101676380), (4, 76257285), (5, 61005828), (6, 50838190), (10, 30502914), (12, 25419095), (13, 23463780), (15, 20335276), (20, 15251457), (26, 11731890), (30, 10167638), (39, 7821260), (52, 5865945), (60, 5083819), (65, 4692756), (78, 3910630), (130, 2346378), (156, 1955315), (195, 1564252), (260, 1173189), (390, 782126), (780, 391063)]