205127780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4219}}^1$

素因数の和:4269

約数の個数: 96

約数和(自身を含む): 535973760

約数和(自身を除く): 330845980

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 884, 935, 1105, 1430, 1870, 2210, 2431, 2860, 3740, 4219, 4420, 4862, 8438, 9724, 12155, 16876, 21095, 24310, 42190, 46409, 48620, 54847, 71723, 84380, 92818, 109694, 143446, 185636, 219388, 232045, 274235, 286892, 358615, 464090, 548470, 603317, 717230, 788953, 928180, 932399, 1096940, 1206634, 1434460, 1577906, 1864798, 2413268, 3016585, 3155812, 3729596, 3944765, 4661995, 6033170, 7889530, 9323990, 10256389, 12066340, 15779060, 18647980, 20512778, 41025556, 51281945, 102563890, 205127780]

約数ペア:

[(1, 205127780), (2, 102563890), (4, 51281945), (5, 41025556), (10, 20512778), (11, 18647980), (13, 15779060), (17, 12066340), (20, 10256389), (22, 9323990), (26, 7889530), (34, 6033170), (44, 4661995), (52, 3944765), (55, 3729596), (65, 3155812), (68, 3016585), (85, 2413268), (110, 1864798), (130, 1577906), (143, 1434460), (170, 1206634), (187, 1096940), (220, 932399), (221, 928180), (260, 788953), (286, 717230), (340, 603317), (374, 548470), (442, 464090), (572, 358615), (715, 286892), (748, 274235), (884, 232045), (935, 219388), (1105, 185636), (1430, 143446), (1870, 109694), (2210, 92818), (2431, 84380), (2860, 71723), (3740, 54847), (4219, 48620), (4420, 46409), (4862, 42190), (8438, 24310), (9724, 21095), (12155, 16876)]