90975430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 202849920

約数和(自身を除く): 111874490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 257, 389, 455, 514, 778, 910, 1285, 1799, 1945, 2570, 2723, 3341, 3598, 3890, 5057, 5446, 6682, 8995, 10114, 13615, 16705, 17990, 23387, 25285, 27230, 33410, 35399, 46774, 50570, 70798, 99973, 116935, 176995, 199946, 233870, 353990, 499865, 699811, 999730, 1299649, 1399622, 2599298, 3499055, 6498245, 6998110, 9097543, 12996490, 18195086, 45487715, 90975430]

約数ペア:

[(1, 90975430), (2, 45487715), (5, 18195086), (7, 12996490), (10, 9097543), (13, 6998110), (14, 6498245), (26, 3499055), (35, 2599298), (65, 1399622), (70, 1299649), (91, 999730), (130, 699811), (182, 499865), (257, 353990), (389, 233870), (455, 199946), (514, 176995), (778, 116935), (910, 99973), (1285, 70798), (1799, 50570), (1945, 46774), (2570, 35399), (2723, 33410), (3341, 27230), (3598, 25285), (3890, 23387), (5057, 17990), (5446, 16705), (6682, 13615), (8995, 10114)]