1404990125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2487

約数の個数: 64

約数和(自身を含む): 2222857728

約数和(自身を除く): 817867603

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 125, 175, 275, 305, 385, 427, 671, 875, 1375, 1525, 1925, 2135, 2393, 3355, 4697, 7625, 9625, 10675, 11965, 16751, 16775, 23485, 26323, 53375, 59825, 83755, 83875, 117425, 131615, 145973, 184261, 299125, 418775, 587125, 658075, 729865, 921305, 1021811, 1605703, 2093875, 3290375, 3649325, 4606525, 5109055, 8028515, 11239921, 18246625, 23032625, 25545275, 40142575, 56199605, 127726375, 200712875, 280998025, 1404990125]

約数ペア:

[(1, 1404990125), (5, 280998025), (7, 200712875), (11, 127726375), (25, 56199605), (35, 40142575), (55, 25545275), (61, 23032625), (77, 18246625), (125, 11239921), (175, 8028515), (275, 5109055), (305, 4606525), (385, 3649325), (427, 3290375), (671, 2093875), (875, 1605703), (1375, 1021811), (1525, 921305), (1925, 729865), (2135, 658075), (2393, 587125), (3355, 418775), (4697, 299125), (7625, 184261), (9625, 145973), (10675, 131615), (11965, 117425), (16751, 83875), (16775, 83755), (23485, 59825), (26323, 53375)]