290823105280

素因数分解:

$2^8\times 5^1\times {\mathrm{10789}}^1\times {\mathrm{21059}}^1$

素因数の和:31869

約数の個数: 72

約数和(自身を含む): 696709868400

約数和(自身を除く): 405886763120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10789, 21059, 21578, 42118, 43156, 53945, 84236, 86312, 105295, 107890, 168472, 172624, 210590, 215780, 336944, 345248, 421180, 431560, 673888, 690496, 842360, 863120, 1347776, 1380992, 1684720, 1726240, 2695552, 2761984, 3369440, 3452480, 5391104, 6738880, 6904960, 13477760, 13809920, 26955520, 227205551, 454411102, 908822204, 1136027755, 1817644408, 2272055510, 3635288816, 4544111020, 7270577632, 9088222040, 14541155264, 18176444080, 29082310528, 36352888160, 58164621056, 72705776320, 145411552640, 290823105280]

約数ペア:

[(1, 290823105280), (2, 145411552640), (4, 72705776320), (5, 58164621056), (8, 36352888160), (10, 29082310528), (16, 18176444080), (20, 14541155264), (32, 9088222040), (40, 7270577632), (64, 4544111020), (80, 3635288816), (128, 2272055510), (160, 1817644408), (256, 1136027755), (320, 908822204), (640, 454411102), (1280, 227205551), (10789, 26955520), (21059, 13809920), (21578, 13477760), (42118, 6904960), (43156, 6738880), (53945, 5391104), (84236, 3452480), (86312, 3369440), (105295, 2761984), (107890, 2695552), (168472, 1726240), (172624, 1684720), (210590, 1380992), (215780, 1347776), (336944, 863120), (345248, 842360), (421180, 690496), (431560, 673888)]