219097720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{467}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 508978080

約数和(自身を除く): 289880360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 317, 370, 467, 634, 740, 934, 1268, 1480, 1585, 1868, 2335, 2536, 3170, 3736, 4670, 6340, 9340, 11729, 12680, 17279, 18680, 23458, 34558, 46916, 58645, 69116, 86395, 93832, 117290, 138232, 148039, 172790, 234580, 296078, 345580, 469160, 592156, 691160, 740195, 1184312, 1480390, 2960780, 5477443, 5921560, 10954886, 21909772, 27387215, 43819544, 54774430, 109548860, 219097720]

約数ペア:

[(1, 219097720), (2, 109548860), (4, 54774430), (5, 43819544), (8, 27387215), (10, 21909772), (20, 10954886), (37, 5921560), (40, 5477443), (74, 2960780), (148, 1480390), (185, 1184312), (296, 740195), (317, 691160), (370, 592156), (467, 469160), (634, 345580), (740, 296078), (934, 234580), (1268, 172790), (1480, 148039), (1585, 138232), (1868, 117290), (2335, 93832), (2536, 86395), (3170, 69116), (3736, 58645), (4670, 46916), (6340, 34558), (9340, 23458), (11729, 18680), (12680, 17279)]