289704940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{2677}}^1$

素因数の和:3466

約数の個数: 48

約数和(自身を含む): 696451392

約数和(自身を除く): 406746452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 1546, 2677, 3092, 3865, 5354, 5411, 7730, 10708, 10822, 13385, 15460, 18739, 21644, 26770, 27055, 37478, 53540, 54110, 74956, 93695, 108220, 187390, 374780, 2069321, 4138642, 8277284, 10346605, 14485247, 20693210, 28970494, 41386420, 57940988, 72426235, 144852470, 289704940]

約数ペア:

[(1, 289704940), (2, 144852470), (4, 72426235), (5, 57940988), (7, 41386420), (10, 28970494), (14, 20693210), (20, 14485247), (28, 10346605), (35, 8277284), (70, 4138642), (140, 2069321), (773, 374780), (1546, 187390), (2677, 108220), (3092, 93695), (3865, 74956), (5354, 54110), (5411, 53540), (7730, 37478), (10708, 27055), (10822, 26770), (13385, 21644), (15460, 18739)]