180835340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8669}}^1$

素因数の和:8834

約数の個数: 48

約数和(自身を含む): 436968000

約数和(自身を除く): 256132660

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, 8669, 10430, 17338, 20860, 34676, 43345, 60683, 86690, 121366, 173380, 242732, 303415, 606830, 1213660, 1291681, 2583362, 5166724, 6458405, 9041767, 12916810, 18083534, 25833620, 36167068, 45208835, 90417670, 180835340]

約数ペア:

[(1, 180835340), (2, 90417670), (4, 45208835), (5, 36167068), (7, 25833620), (10, 18083534), (14, 12916810), (20, 9041767), (28, 6458405), (35, 5166724), (70, 2583362), (140, 1291681), (149, 1213660), (298, 606830), (596, 303415), (745, 242732), (1043, 173380), (1490, 121366), (2086, 86690), (2980, 60683), (4172, 43345), (5215, 34676), (8669, 20860), (10430, 17338)]