123570620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{21379}}^1$

素因数の和:21422

約数の個数: 36

約数和(自身を含む): 275673720

約数和(自身を除く): 152103100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 21379, 42758, 85516, 106895, 213790, 363443, 427580, 726886, 1453772, 1817215, 3634430, 6178531, 7268860, 12357062, 24714124, 30892655, 61785310, 123570620]

約数ペア:

[(1, 123570620), (2, 61785310), (4, 30892655), (5, 24714124), (10, 12357062), (17, 7268860), (20, 6178531), (34, 3634430), (68, 1817215), (85, 1453772), (170, 726886), (289, 427580), (340, 363443), (578, 213790), (1156, 106895), (1445, 85516), (2890, 42758), (5780, 21379)]