290822656

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 610460928

約数和(自身を除く): 319638272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 146, 248, 251, 256, 292, 496, 502, 512, 584, 992, 1004, 1168, 1984, 2008, 2263, 2336, 3968, 4016, 4526, 4672, 7781, 7936, 8032, 9052, 9344, 15562, 15872, 16064, 18104, 18323, 18688, 31124, 32128, 36208, 36646, 37376, 62248, 64256, 72416, 73292, 124496, 128512, 144832, 146584, 248992, 289664, 293168, 497984, 568013, 579328, 586336, 995968, 1136026, 1158656, 1172672, 1991936, 2272052, 2345344, 3983872, 4544104, 4690688, 9088208, 9381376, 18176416, 36352832, 72705664, 145411328, 290822656]

約数ペア:

[(1, 290822656), (2, 145411328), (4, 72705664), (8, 36352832), (16, 18176416), (31, 9381376), (32, 9088208), (62, 4690688), (64, 4544104), (73, 3983872), (124, 2345344), (128, 2272052), (146, 1991936), (248, 1172672), (251, 1158656), (256, 1136026), (292, 995968), (496, 586336), (502, 579328), (512, 568013), (584, 497984), (992, 293168), (1004, 289664), (1168, 248992), (1984, 146584), (2008, 144832), (2263, 128512), (2336, 124496), (3968, 73292), (4016, 72416), (4526, 64256), (4672, 62248), (7781, 37376), (7936, 36646), (8032, 36208), (9052, 32128), (9344, 31124), (15562, 18688), (15872, 18323), (16064, 18104)]