10891900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 25779600

約数和(自身を除く): 14887700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 149, 170, 172, 215, 298, 340, 425, 430, 596, 731, 745, 850, 860, 1075, 1462, 1490, 1700, 2150, 2533, 2924, 2980, 3655, 3725, 4300, 5066, 6407, 7310, 7450, 10132, 12665, 12814, 14620, 14900, 18275, 25330, 25628, 32035, 36550, 50660, 63325, 64070, 73100, 108919, 126650, 128140, 160175, 217838, 253300, 320350, 435676, 544595, 640700, 1089190, 2178380, 2722975, 5445950, 10891900]

約数ペア:

[(1, 10891900), (2, 5445950), (4, 2722975), (5, 2178380), (10, 1089190), (17, 640700), (20, 544595), (25, 435676), (34, 320350), (43, 253300), (50, 217838), (68, 160175), (85, 128140), (86, 126650), (100, 108919), (149, 73100), (170, 64070), (172, 63325), (215, 50660), (298, 36550), (340, 32035), (425, 25628), (430, 25330), (596, 18275), (731, 14900), (745, 14620), (850, 12814), (860, 12665), (1075, 10132), (1462, 7450), (1490, 7310), (1700, 6407), (2150, 5066), (2533, 4300), (2924, 3725), (2980, 3655)]