7891974.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3965

約数の個数: 72

約数和(自身を含む): 131684280

約数和(自身を除く): 88983060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 3889, 5490, 7778, 10980, 11667, 15556, 19445, 23334, 35001, 38890, 46668, 58335, 70002, 77780, 116670, 140004, 175005, 233340, 237229, 350010, 474458, 700020, 711687, 948916, 1186145, 1423374, 2135061, 2372290, 2846748, 3558435, 4270122, 4744580, 7116870, 8540244, 10675305, 14233740, 21350610, 42701220]

約数ペア:

[(1, 42701220), (2, 21350610), (3, 14233740), (4, 10675305), (5, 8540244), (6, 7116870), (9, 4744580), (10, 4270122), (12, 3558435), (15, 2846748), (18, 2372290), (20, 2135061), (30, 1423374), (36, 1186145), (45, 948916), (60, 711687), (61, 700020), (90, 474458), (122, 350010), (180, 237229), (183, 233340), (244, 175005), (305, 140004), (366, 116670), (549, 77780), (610, 70002), (732, 58335), (915, 46668), (1098, 38890), (1220, 35001), (1830, 23334), (2196, 19445), (2745, 15556), (3660, 11667), (3889, 10980), (5490, 7778)]