181878340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8719}}^1$

素因数の和:8884

約数の個数: 48

約数和(自身を含む): 439488000

約数和(自身を除く): 257609660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 8719, 10430, 17438, 20860, 34876, 43595, 61033, 87190, 122066, 174380, 244132, 305165, 610330, 1220660, 1299131, 2598262, 5196524, 6495655, 9093917, 12991310, 18187834, 25982620, 36375668, 45469585, 90939170, 181878340]

約数ペア:

[(1, 181878340), (2, 90939170), (4, 45469585), (5, 36375668), (7, 25982620), (10, 18187834), (14, 12991310), (20, 9093917), (28, 6495655), (35, 5196524), (70, 2598262), (140, 1299131), (149, 1220660), (298, 610330), (596, 305165), (745, 244132), (1043, 174380), (1490, 122066), (2086, 87190), (2980, 61033), (4172, 43595), (5215, 34876), (8719, 20860), (10430, 17438)]