289205820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51829}}^1$

素因数の和:51875

約数の個数: 72

約数和(自身を含む): 905573760

約数和(自身を除く): 616367940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 51829, 103658, 155487, 207316, 259145, 310974, 466461, 518290, 621948, 777435, 932922, 1036580, 1554870, 1606699, 1865844, 2332305, 3109740, 3213398, 4664610, 4820097, 6426796, 8033495, 9329220, 9640194, 14460291, 16066990, 19280388, 24100485, 28920582, 32133980, 48200970, 57841164, 72301455, 96401940, 144602910, 289205820]

約数ペア:

[(1, 289205820), (2, 144602910), (3, 96401940), (4, 72301455), (5, 57841164), (6, 48200970), (9, 32133980), (10, 28920582), (12, 24100485), (15, 19280388), (18, 16066990), (20, 14460291), (30, 9640194), (31, 9329220), (36, 8033495), (45, 6426796), (60, 4820097), (62, 4664610), (90, 3213398), (93, 3109740), (124, 2332305), (155, 1865844), (180, 1606699), (186, 1554870), (279, 1036580), (310, 932922), (372, 777435), (465, 621948), (558, 518290), (620, 466461), (930, 310974), (1116, 259145), (1395, 207316), (1860, 155487), (2790, 103658), (5580, 51829)]