77646820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 182020608

約数和(自身を除く): 104373788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 47, 68, 85, 86, 94, 113, 170, 172, 188, 215, 226, 235, 340, 430, 452, 470, 565, 731, 799, 860, 940, 1130, 1462, 1598, 1921, 2021, 2260, 2924, 3196, 3655, 3842, 3995, 4042, 4859, 5311, 7310, 7684, 7990, 8084, 9605, 9718, 10105, 10622, 14620, 15980, 19210, 19436, 20210, 21244, 24295, 26555, 34357, 38420, 40420, 48590, 53110, 68714, 82603, 90287, 97180, 106220, 137428, 165206, 171785, 180574, 228373, 330412, 343570, 361148, 413015, 451435, 456746, 687140, 826030, 902870, 913492, 1141865, 1652060, 1805740, 2283730, 3882341, 4567460, 7764682, 15529364, 19411705, 38823410, 77646820]

約数ペア:

[(1, 77646820), (2, 38823410), (4, 19411705), (5, 15529364), (10, 7764682), (17, 4567460), (20, 3882341), (34, 2283730), (43, 1805740), (47, 1652060), (68, 1141865), (85, 913492), (86, 902870), (94, 826030), (113, 687140), (170, 456746), (172, 451435), (188, 413015), (215, 361148), (226, 343570), (235, 330412), (340, 228373), (430, 180574), (452, 171785), (470, 165206), (565, 137428), (731, 106220), (799, 97180), (860, 90287), (940, 82603), (1130, 68714), (1462, 53110), (1598, 48590), (1921, 40420), (2021, 38420), (2260, 34357), (2924, 26555), (3196, 24295), (3655, 21244), (3842, 20210), (3995, 19436), (4042, 19210), (4859, 15980), (5311, 14620), (7310, 10622), (7684, 10105), (7990, 9718), (8084, 9605)]