290109780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51991}}^1$

素因数の和:52037

約数の個数: 72

約数和(自身を含む): 908404224

約数和(自身を除く): 618294444

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, 51991, 103982, 155973, 207964, 259955, 311946, 467919, 519910, 623892, 779865, 935838, 1039820, 1559730, 1611721, 1871676, 2339595, 3119460, 3223442, 4679190, 4835163, 6446884, 8058605, 9358380, 9670326, 14505489, 16117210, 19340652, 24175815, 29010978, 32234420, 48351630, 58021956, 72527445, 96703260, 145054890, 290109780]

約数ペア:

[(1, 290109780), (2, 145054890), (3, 96703260), (4, 72527445), (5, 58021956), (6, 48351630), (9, 32234420), (10, 29010978), (12, 24175815), (15, 19340652), (18, 16117210), (20, 14505489), (30, 9670326), (31, 9358380), (36, 8058605), (45, 6446884), (60, 4835163), (62, 4679190), (90, 3223442), (93, 3119460), (124, 2339595), (155, 1871676), (180, 1611721), (186, 1559730), (279, 1039820), (310, 935838), (372, 779865), (465, 623892), (558, 519910), (620, 467919), (930, 311946), (1116, 259955), (1395, 207964), (1860, 155973), (2790, 103982), (5580, 51991)]