7140580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 16898112

約数和(自身を除く): 9757532

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 43, 46, 76, 86, 92, 95, 115, 172, 190, 215, 230, 361, 380, 430, 437, 460, 722, 817, 860, 874, 989, 1444, 1634, 1748, 1805, 1978, 2185, 3268, 3610, 3956, 4085, 4370, 4945, 7220, 8170, 8303, 8740, 9890, 15523, 16340, 16606, 18791, 19780, 31046, 33212, 37582, 41515, 62092, 75164, 77615, 83030, 93955, 155230, 166060, 187910, 310460, 357029, 375820, 714058, 1428116, 1785145, 3570290, 7140580]

約数ペア:

[(1, 7140580), (2, 3570290), (4, 1785145), (5, 1428116), (10, 714058), (19, 375820), (20, 357029), (23, 310460), (38, 187910), (43, 166060), (46, 155230), (76, 93955), (86, 83030), (92, 77615), (95, 75164), (115, 62092), (172, 41515), (190, 37582), (215, 33212), (230, 31046), (361, 19780), (380, 18791), (430, 16606), (437, 16340), (460, 15523), (722, 9890), (817, 8740), (860, 8303), (874, 8170), (989, 7220), (1444, 4945), (1634, 4370), (1748, 4085), (1805, 3956), (1978, 3610), (2185, 3268)]