9438740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 22280832

約数和(自身を除く): 12842092

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 71, 85, 92, 115, 142, 170, 230, 284, 289, 340, 355, 391, 460, 578, 710, 782, 1156, 1207, 1420, 1445, 1564, 1633, 1955, 2414, 2890, 3266, 3910, 4828, 5780, 6035, 6532, 6647, 7820, 8165, 12070, 13294, 16330, 20519, 24140, 26588, 27761, 32660, 33235, 41038, 55522, 66470, 82076, 102595, 111044, 132940, 138805, 205190, 277610, 410380, 471937, 555220, 943874, 1887748, 2359685, 4719370, 9438740]

約数ペア:

[(1, 9438740), (2, 4719370), (4, 2359685), (5, 1887748), (10, 943874), (17, 555220), (20, 471937), (23, 410380), (34, 277610), (46, 205190), (68, 138805), (71, 132940), (85, 111044), (92, 102595), (115, 82076), (142, 66470), (170, 55522), (230, 41038), (284, 33235), (289, 32660), (340, 27761), (355, 26588), (391, 24140), (460, 20519), (578, 16330), (710, 13294), (782, 12070), (1156, 8165), (1207, 7820), (1420, 6647), (1445, 6532), (1564, 6035), (1633, 5780), (1955, 4828), (2414, 3910), (2890, 3266)]