9771940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 22289904

約数和(自身を除く): 12517964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 701, 820, 1394, 1402, 2788, 2804, 3485, 3505, 6970, 7010, 11917, 13940, 14020, 23834, 28741, 47668, 57482, 59585, 114964, 119170, 143705, 238340, 287410, 488597, 574820, 977194, 1954388, 2442985, 4885970, 9771940]

約数ペア:

[(1, 9771940), (2, 4885970), (4, 2442985), (5, 1954388), (10, 977194), (17, 574820), (20, 488597), (34, 287410), (41, 238340), (68, 143705), (82, 119170), (85, 114964), (164, 59585), (170, 57482), (205, 47668), (340, 28741), (410, 23834), (697, 14020), (701, 13940), (820, 11917), (1394, 7010), (1402, 6970), (2788, 3505), (2804, 3485)]