779718380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{3329}}^1$

素因数の和:3591

約数の個数: 72

約数和(自身を含む): 1913284800

約数和(自身を除く): 1133566420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 478, 490, 956, 980, 1195, 1673, 2390, 3329, 3346, 4780, 6658, 6692, 8365, 11711, 13316, 16645, 16730, 23303, 23422, 33290, 33460, 46606, 46844, 58555, 66580, 93212, 116515, 117110, 163121, 233030, 234220, 326242, 466060, 652484, 795631, 815605, 1591262, 1631210, 3182524, 3262420, 3978155, 5569417, 7956310, 11138834, 15912620, 22277668, 27847085, 38985919, 55694170, 77971838, 111388340, 155943676, 194929595, 389859190, 779718380]

約数ペア:

[(1, 779718380), (2, 389859190), (4, 194929595), (5, 155943676), (7, 111388340), (10, 77971838), (14, 55694170), (20, 38985919), (28, 27847085), (35, 22277668), (49, 15912620), (70, 11138834), (98, 7956310), (140, 5569417), (196, 3978155), (239, 3262420), (245, 3182524), (478, 1631210), (490, 1591262), (956, 815605), (980, 795631), (1195, 652484), (1673, 466060), (2390, 326242), (3329, 234220), (3346, 233030), (4780, 163121), (6658, 117110), (6692, 116515), (8365, 93212), (11711, 66580), (13316, 58555), (16645, 46844), (16730, 46606), (23303, 33460), (23422, 33290)]