177304540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 435516480

約数和(自身を除く): 258211940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 478, 490, 757, 956, 980, 1195, 1514, 1673, 2390, 3028, 3346, 3785, 4780, 5299, 6692, 7570, 8365, 10598, 11711, 15140, 16730, 21196, 23422, 26495, 33460, 37093, 46844, 52990, 58555, 74186, 105980, 117110, 148372, 180923, 185465, 234220, 361846, 370930, 723692, 741860, 904615, 1266461, 1809230, 2532922, 3618460, 5065844, 6332305, 8865227, 12664610, 17730454, 25329220, 35460908, 44326135, 88652270, 177304540]

約数ペア:

[(1, 177304540), (2, 88652270), (4, 44326135), (5, 35460908), (7, 25329220), (10, 17730454), (14, 12664610), (20, 8865227), (28, 6332305), (35, 5065844), (49, 3618460), (70, 2532922), (98, 1809230), (140, 1266461), (196, 904615), (239, 741860), (245, 723692), (478, 370930), (490, 361846), (757, 234220), (956, 185465), (980, 180923), (1195, 148372), (1514, 117110), (1673, 105980), (2390, 74186), (3028, 58555), (3346, 52990), (3785, 46844), (4780, 37093), (5299, 33460), (6692, 26495), (7570, 23422), (8365, 21196), (10598, 16730), (11711, 15140)]