13288220

素因数分解:

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

素因数の和:84

約数の個数: 108

約数和(自身を含む): 34298040

約数和(自身を除く): 21009820

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 121, 170, 187, 190, 209, 220, 242, 289, 323, 340, 374, 380, 418, 484, 578, 605, 646, 748, 836, 935, 1045, 1156, 1210, 1292, 1445, 1615, 1870, 2057, 2090, 2299, 2420, 2890, 3179, 3230, 3553, 3740, 4114, 4180, 4598, 5491, 5780, 6358, 6460, 7106, 8228, 9196, 10285, 10982, 11495, 12716, 14212, 15895, 17765, 20570, 21964, 22990, 27455, 31790, 34969, 35530, 39083, 41140, 45980, 54910, 60401, 63580, 69938, 71060, 78166, 109820, 120802, 139876, 156332, 174845, 195415, 241604, 302005, 349690, 390830, 604010, 664411, 699380, 781660, 1208020, 1328822, 2657644, 3322055, 6644110, 13288220]

約数ペア:

[(1, 13288220), (2, 6644110), (4, 3322055), (5, 2657644), (10, 1328822), (11, 1208020), (17, 781660), (19, 699380), (20, 664411), (22, 604010), (34, 390830), (38, 349690), (44, 302005), (55, 241604), (68, 195415), (76, 174845), (85, 156332), (95, 139876), (110, 120802), (121, 109820), (170, 78166), (187, 71060), (190, 69938), (209, 63580), (220, 60401), (242, 54910), (289, 45980), (323, 41140), (340, 39083), (374, 35530), (380, 34969), (418, 31790), (484, 27455), (578, 22990), (605, 21964), (646, 20570), (748, 17765), (836, 15895), (935, 14212), (1045, 12716), (1156, 11495), (1210, 10982), (1292, 10285), (1445, 9196), (1615, 8228), (1870, 7106), (2057, 6460), (2090, 6358), (2299, 5780), (2420, 5491), (2890, 4598), (3179, 4180), (3230, 4114), (3553, 3740)]