520414208

素因数分解:

$2^{10}\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 88

約数和(自身を含む): 1089462528

約数和(自身を除く): 569048320

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 128, 172, 212, 223, 256, 344, 424, 446, 512, 688, 848, 892, 1024, 1376, 1696, 1784, 2279, 2752, 3392, 3568, 4558, 5504, 6784, 7136, 9116, 9589, 11008, 11819, 13568, 14272, 18232, 19178, 22016, 23638, 27136, 28544, 36464, 38356, 44032, 47276, 54272, 57088, 72928, 76712, 94552, 114176, 145856, 153424, 189104, 228352, 291712, 306848, 378208, 508217, 583424, 613696, 756416, 1016434, 1166848, 1227392, 1512832, 2032868, 2333696, 2454784, 3025664, 4065736, 4909568, 6051328, 8131472, 9819136, 12102656, 16262944, 32525888, 65051776, 130103552, 260207104, 520414208]

約数ペア:

[(1, 520414208), (2, 260207104), (4, 130103552), (8, 65051776), (16, 32525888), (32, 16262944), (43, 12102656), (53, 9819136), (64, 8131472), (86, 6051328), (106, 4909568), (128, 4065736), (172, 3025664), (212, 2454784), (223, 2333696), (256, 2032868), (344, 1512832), (424, 1227392), (446, 1166848), (512, 1016434), (688, 756416), (848, 613696), (892, 583424), (1024, 508217), (1376, 378208), (1696, 306848), (1784, 291712), (2279, 228352), (2752, 189104), (3392, 153424), (3568, 145856), (4558, 114176), (5504, 94552), (6784, 76712), (7136, 72928), (9116, 57088), (9589, 54272), (11008, 47276), (11819, 44032), (13568, 38356), (14272, 36464), (18232, 28544), (19178, 27136), (22016, 23638)]