288566980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 681778944

約数和(自身を除く): 393211964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 53, 65, 86, 106, 130, 172, 212, 215, 260, 265, 430, 487, 530, 559, 689, 860, 974, 1060, 1118, 1378, 1948, 2236, 2279, 2435, 2756, 2795, 3445, 4558, 4870, 5590, 6331, 6890, 9116, 9740, 11180, 11395, 12662, 13780, 20941, 22790, 25324, 25811, 29627, 31655, 41882, 45580, 51622, 59254, 63310, 83764, 103244, 104705, 118508, 126620, 129055, 148135, 209410, 258110, 272233, 296270, 335543, 418820, 516220, 544466, 592540, 671086, 1088932, 1109873, 1342172, 1361165, 1677715, 2219746, 2722330, 3355430, 4439492, 5444660, 5549365, 6710860, 11098730, 14428349, 22197460, 28856698, 57713396, 72141745, 144283490, 288566980]

約数ペア:

[(1, 288566980), (2, 144283490), (4, 72141745), (5, 57713396), (10, 28856698), (13, 22197460), (20, 14428349), (26, 11098730), (43, 6710860), (52, 5549365), (53, 5444660), (65, 4439492), (86, 3355430), (106, 2722330), (130, 2219746), (172, 1677715), (212, 1361165), (215, 1342172), (260, 1109873), (265, 1088932), (430, 671086), (487, 592540), (530, 544466), (559, 516220), (689, 418820), (860, 335543), (974, 296270), (1060, 272233), (1118, 258110), (1378, 209410), (1948, 148135), (2236, 129055), (2279, 126620), (2435, 118508), (2756, 104705), (2795, 103244), (3445, 83764), (4558, 63310), (4870, 59254), (5590, 51622), (6331, 45580), (6890, 41882), (9116, 31655), (9740, 29627), (11180, 25811), (11395, 25324), (12662, 22790), (13780, 20941)]