220405380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{282571}}^1$

素因数の和:282596

約数の個数: 48

約数和(自身を含む): 664609344

約数和(自身を除く): 444203964

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, 282571, 565142, 847713, 1130284, 1412855, 1695426, 2825710, 3390852, 3673423, 4238565, 5651420, 7346846, 8477130, 11020269, 14693692, 16954260, 18367115, 22040538, 36734230, 44081076, 55101345, 73468460, 110202690, 220405380]

約数ペア:

[(1, 220405380), (2, 110202690), (3, 73468460), (4, 55101345), (5, 44081076), (6, 36734230), (10, 22040538), (12, 18367115), (13, 16954260), (15, 14693692), (20, 11020269), (26, 8477130), (30, 7346846), (39, 5651420), (52, 4238565), (60, 3673423), (65, 3390852), (78, 2825710), (130, 1695426), (156, 1412855), (195, 1130284), (260, 847713), (390, 565142), (780, 282571)]