209286295280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1021}}^1\times {\mathrm{7741}}^1$

素因数の和:9106

約数の個数: 80

約数和(自身を含む): 488601831648

約数和(自身を除く): 279315536368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1021, 1324, 1655, 2042, 2648, 3310, 4084, 5105, 5296, 6620, 7741, 8168, 10210, 13240, 15482, 16336, 20420, 26480, 30964, 38705, 40840, 61928, 77410, 81680, 123856, 154820, 309640, 337951, 619280, 675902, 1351804, 1689755, 2562271, 2703608, 3379510, 5124542, 5407216, 6759020, 7903561, 10249084, 12811355, 13518040, 15807122, 20498168, 25622710, 27036080, 31614244, 39517805, 40996336, 51245420, 63228488, 79035610, 102490840, 126456976, 158071220, 204981680, 316142440, 632284880, 2616078691, 5232157382, 10464314764, 13080393455, 20928629528, 26160786910, 41857259056, 52321573820, 104643147640, 209286295280]

約数ペア:

[(1, 209286295280), (2, 104643147640), (4, 52321573820), (5, 41857259056), (8, 26160786910), (10, 20928629528), (16, 13080393455), (20, 10464314764), (40, 5232157382), (80, 2616078691), (331, 632284880), (662, 316142440), (1021, 204981680), (1324, 158071220), (1655, 126456976), (2042, 102490840), (2648, 79035610), (3310, 63228488), (4084, 51245420), (5105, 40996336), (5296, 39517805), (6620, 31614244), (7741, 27036080), (8168, 25622710), (10210, 20498168), (13240, 15807122), (15482, 13518040), (16336, 12811355), (20420, 10249084), (26480, 7903561), (30964, 6759020), (38705, 5407216), (40840, 5124542), (61928, 3379510), (77410, 2703608), (81680, 2562271), (123856, 1689755), (154820, 1351804), (309640, 675902), (337951, 619280)]