285960740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2157

約数の個数: 96

約数和(自身を含む): 707180544

約数和(自身を除く): 421219804

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 620, 806, 884, 1054, 1105, 1612, 2015, 2087, 2108, 2210, 2635, 4030, 4174, 4420, 5270, 6851, 8060, 8348, 10435, 10540, 13702, 20870, 27131, 27404, 34255, 35479, 41740, 54262, 64697, 68510, 70958, 108524, 129394, 135655, 137020, 141916, 177395, 258788, 271310, 323485, 354790, 461227, 542620, 646970, 709580, 841061, 922454, 1099849, 1293940, 1682122, 1844908, 2199698, 2306135, 3364244, 4205305, 4399396, 4612270, 5499245, 8410610, 9224540, 10998490, 14298037, 16821220, 21996980, 28596074, 57192148, 71490185, 142980370, 285960740]

約数ペア:

[(1, 285960740), (2, 142980370), (4, 71490185), (5, 57192148), (10, 28596074), (13, 21996980), (17, 16821220), (20, 14298037), (26, 10998490), (31, 9224540), (34, 8410610), (52, 5499245), (62, 4612270), (65, 4399396), (68, 4205305), (85, 3364244), (124, 2306135), (130, 2199698), (155, 1844908), (170, 1682122), (221, 1293940), (260, 1099849), (310, 922454), (340, 841061), (403, 709580), (442, 646970), (527, 542620), (620, 461227), (806, 354790), (884, 323485), (1054, 271310), (1105, 258788), (1612, 177395), (2015, 141916), (2087, 137020), (2108, 135655), (2210, 129394), (2635, 108524), (4030, 70958), (4174, 68510), (4420, 64697), (5270, 54262), (6851, 41740), (8060, 35479), (8348, 34255), (10435, 27404), (10540, 27131), (13702, 20870)]