9195980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 21558768

約数和(自身を除く): 12362788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 68, 74, 85, 86, 148, 170, 172, 185, 215, 289, 340, 370, 430, 578, 629, 731, 740, 860, 1156, 1258, 1445, 1462, 1591, 2516, 2890, 2924, 3145, 3182, 3655, 5780, 6290, 6364, 7310, 7955, 10693, 12427, 12580, 14620, 15910, 21386, 24854, 27047, 31820, 42772, 49708, 53465, 54094, 62135, 106930, 108188, 124270, 135235, 213860, 248540, 270470, 459799, 540940, 919598, 1839196, 2298995, 4597990, 9195980]

約数ペア:

[(1, 9195980), (2, 4597990), (4, 2298995), (5, 1839196), (10, 919598), (17, 540940), (20, 459799), (34, 270470), (37, 248540), (43, 213860), (68, 135235), (74, 124270), (85, 108188), (86, 106930), (148, 62135), (170, 54094), (172, 53465), (185, 49708), (215, 42772), (289, 31820), (340, 27047), (370, 24854), (430, 21386), (578, 15910), (629, 14620), (731, 12580), (740, 12427), (860, 10693), (1156, 7955), (1258, 7310), (1445, 6364), (1462, 6290), (1591, 5780), (2516, 3655), (2890, 3182), (2924, 3145)]