144982180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 356227200

約数和(自身を除く): 211245020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 478, 490, 619, 956, 980, 1195, 1238, 1673, 2390, 2476, 3095, 3346, 4333, 4780, 6190, 6692, 8365, 8666, 11711, 12380, 16730, 17332, 21665, 23422, 30331, 33460, 43330, 46844, 58555, 60662, 86660, 117110, 121324, 147941, 151655, 234220, 295882, 303310, 591764, 606620, 739705, 1035587, 1479410, 2071174, 2958820, 4142348, 5177935, 7249109, 10355870, 14498218, 20711740, 28996436, 36245545, 72491090, 144982180]

約数ペア:

[(1, 144982180), (2, 72491090), (4, 36245545), (5, 28996436), (7, 20711740), (10, 14498218), (14, 10355870), (20, 7249109), (28, 5177935), (35, 4142348), (49, 2958820), (70, 2071174), (98, 1479410), (140, 1035587), (196, 739705), (239, 606620), (245, 591764), (478, 303310), (490, 295882), (619, 234220), (956, 151655), (980, 147941), (1195, 121324), (1238, 117110), (1673, 86660), (2390, 60662), (2476, 58555), (3095, 46844), (3346, 43330), (4333, 33460), (4780, 30331), (6190, 23422), (6692, 21665), (8365, 17332), (8666, 16730), (11711, 12380)]