1208020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 3094560

約数和(自身を除く): 1886540

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 289, 323, 340, 374, 380, 418, 578, 646, 748, 836, 935, 1045, 1156, 1292, 1445, 1615, 1870, 2090, 2890, 3179, 3230, 3553, 3740, 4180, 5491, 5780, 6358, 6460, 7106, 10982, 12716, 14212, 15895, 17765, 21964, 27455, 31790, 35530, 54910, 60401, 63580, 71060, 109820, 120802, 241604, 302005, 604010, 1208020]

約数ペア:

[(1, 1208020), (2, 604010), (4, 302005), (5, 241604), (10, 120802), (11, 109820), (17, 71060), (19, 63580), (20, 60401), (22, 54910), (34, 35530), (38, 31790), (44, 27455), (55, 21964), (68, 17765), (76, 15895), (85, 14212), (95, 12716), (110, 10982), (170, 7106), (187, 6460), (190, 6358), (209, 5780), (220, 5491), (289, 4180), (323, 3740), (340, 3553), (374, 3230), (380, 3179), (418, 2890), (578, 2090), (646, 1870), (748, 1615), (836, 1445), (935, 1292), (1045, 1156)]