149766940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3169}}^1$

素因数の和:3334

約数の個数: 48

約数和(自身を含む): 335512800

約数和(自身を除く): 185745860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 3169, 4726, 6338, 9452, 11815, 12676, 15845, 23630, 31690, 47260, 53873, 63380, 107746, 215492, 269365, 440491, 538730, 880982, 1077460, 1761964, 2202455, 4404910, 7488347, 8809820, 14976694, 29953388, 37441735, 74883470, 149766940]

約数ペア:

[(1, 149766940), (2, 74883470), (4, 37441735), (5, 29953388), (10, 14976694), (17, 8809820), (20, 7488347), (34, 4404910), (68, 2202455), (85, 1761964), (139, 1077460), (170, 880982), (278, 538730), (340, 440491), (556, 269365), (695, 215492), (1390, 107746), (2363, 63380), (2780, 53873), (3169, 47260), (4726, 31690), (6338, 23630), (9452, 15845), (11815, 12676)]