40640775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 77376000

約数和(自身を除く): 36735225

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 199, 389, 525, 597, 995, 1167, 1393, 1945, 2723, 2985, 4179, 4975, 5835, 6965, 8169, 9725, 13615, 14925, 20895, 29175, 34825, 40845, 68075, 77411, 104475, 204225, 232233, 387055, 541877, 1161165, 1625631, 1935275, 2709385, 5805825, 8128155, 13546925, 40640775]

約数ペア:

[(1, 40640775), (3, 13546925), (5, 8128155), (7, 5805825), (15, 2709385), (21, 1935275), (25, 1625631), (35, 1161165), (75, 541877), (105, 387055), (175, 232233), (199, 204225), (389, 104475), (525, 77411), (597, 68075), (995, 40845), (1167, 34825), (1393, 29175), (1945, 20895), (2723, 14925), (2985, 13615), (4179, 9725), (4975, 8169), (5835, 6965)]