647436890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 1270598400

約数和(自身を除く): 623161510

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 113, 115, 145, 226, 230, 290, 565, 667, 859, 1130, 1334, 1718, 2599, 3277, 3335, 4295, 5198, 6554, 6670, 8590, 12995, 16385, 19757, 24911, 25990, 32770, 39514, 49822, 75371, 97067, 98785, 124555, 150742, 194134, 197570, 249110, 376855, 485335, 572953, 753710, 970670, 1145906, 2232541, 2814943, 2864765, 4465082, 5629886, 5729530, 11162705, 14074715, 22325410, 28149430, 64743689, 129487378, 323718445, 647436890]

約数ペア:

[(1, 647436890), (2, 323718445), (5, 129487378), (10, 64743689), (23, 28149430), (29, 22325410), (46, 14074715), (58, 11162705), (113, 5729530), (115, 5629886), (145, 4465082), (226, 2864765), (230, 2814943), (290, 2232541), (565, 1145906), (667, 970670), (859, 753710), (1130, 572953), (1334, 485335), (1718, 376855), (2599, 249110), (3277, 197570), (3335, 194134), (4295, 150742), (5198, 124555), (6554, 98785), (6670, 97067), (8590, 75371), (12995, 49822), (16385, 39514), (19757, 32770), (24911, 25990)]