678149380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{4271}}^1$

素因数の和:4764

約数の個数: 48

約数和(自身を含む): 1511467776

約数和(自身を除く): 833318396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 467, 934, 1868, 2335, 4271, 4670, 7939, 8542, 9340, 15878, 17084, 21355, 31756, 39695, 42710, 72607, 79390, 85420, 145214, 158780, 290428, 363035, 726070, 1452140, 1994557, 3989114, 7978228, 9972785, 19945570, 33907469, 39891140, 67814938, 135629876, 169537345, 339074690, 678149380]

約数ペア:

[(1, 678149380), (2, 339074690), (4, 169537345), (5, 135629876), (10, 67814938), (17, 39891140), (20, 33907469), (34, 19945570), (68, 9972785), (85, 7978228), (170, 3989114), (340, 1994557), (467, 1452140), (934, 726070), (1868, 363035), (2335, 290428), (4271, 158780), (4670, 145214), (7939, 85420), (8542, 79390), (9340, 72607), (15878, 42710), (17084, 39695), (21355, 31756)]