207855940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6869}}^1$

素因数の和:6984

約数の個数: 48

約数和(自身を含む): 467434800

約数和(自身を除く): 259578860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 6869, 7565, 13738, 15130, 27476, 30260, 34345, 68690, 116773, 137380, 233546, 467092, 583865, 611341, 1167730, 1222682, 2335460, 2445364, 3056705, 6113410, 10392797, 12226820, 20785594, 41571188, 51963985, 103927970, 207855940]

約数ペア:

[(1, 207855940), (2, 103927970), (4, 51963985), (5, 41571188), (10, 20785594), (17, 12226820), (20, 10392797), (34, 6113410), (68, 3056705), (85, 2445364), (89, 2335460), (170, 1222682), (178, 1167730), (340, 611341), (356, 583865), (445, 467092), (890, 233546), (1513, 137380), (1780, 116773), (3026, 68690), (6052, 34345), (6869, 30260), (7565, 27476), (13738, 15130)]