605757145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 903513600

約数和(自身を除く): 297756455

約数列:

[1, 5, 7, 19, 35, 61, 95, 109, 133, 137, 305, 427, 545, 665, 685, 763, 959, 1159, 2071, 2135, 2603, 3815, 4795, 5795, 6649, 8113, 8357, 10355, 13015, 14497, 14933, 18221, 33245, 40565, 41785, 46543, 58499, 72485, 74665, 91105, 104531, 126331, 158783, 232715, 283727, 292495, 522655, 631655, 793915, 884317, 910913, 1111481, 1418635, 1986089, 4421585, 4554565, 5557405, 6376391, 9930445, 17307347, 31881955, 86536735, 121151429, 605757145]

約数ペア:

[(1, 605757145), (5, 121151429), (7, 86536735), (19, 31881955), (35, 17307347), (61, 9930445), (95, 6376391), (109, 5557405), (133, 4554565), (137, 4421585), (305, 1986089), (427, 1418635), (545, 1111481), (665, 910913), (685, 884317), (763, 793915), (959, 631655), (1159, 522655), (2071, 292495), (2135, 283727), (2603, 232715), (3815, 158783), (4795, 126331), (5795, 104531), (6649, 91105), (8113, 74665), (8357, 72485), (10355, 58499), (13015, 46543), (14497, 41785), (14933, 40565), (18221, 33245)]