25212810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 49436790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 71, 89, 95, 105, 114, 133, 142, 178, 190, 210, 213, 266, 267, 285, 355, 399, 426, 445, 497, 534, 570, 623, 665, 710, 798, 890, 994, 1065, 1246, 1330, 1335, 1349, 1491, 1691, 1869, 1995, 2130, 2485, 2670, 2698, 2982, 3115, 3382, 3738, 3990, 4047, 4970, 5073, 6230, 6319, 6745, 7455, 8094, 8455, 9345, 9443, 10146, 11837, 12638, 13490, 14910, 16910, 18690, 18886, 18957, 20235, 23674, 25365, 28329, 31595, 35511, 37914, 40470, 44233, 47215, 50730, 56658, 59185, 63190, 71022, 88466, 94430, 94785, 118370, 120061, 132699, 141645, 177555, 189570, 221165, 240122, 265398, 283290, 355110, 360183, 442330, 600305, 663495, 720366, 840427, 1200610, 1326990, 1680854, 1800915, 2521281, 3601830, 4202135, 5042562, 8404270, 12606405, 25212810]

約数ペア:

[(1, 25212810), (2, 12606405), (3, 8404270), (5, 5042562), (6, 4202135), (7, 3601830), (10, 2521281), (14, 1800915), (15, 1680854), (19, 1326990), (21, 1200610), (30, 840427), (35, 720366), (38, 663495), (42, 600305), (57, 442330), (70, 360183), (71, 355110), (89, 283290), (95, 265398), (105, 240122), (114, 221165), (133, 189570), (142, 177555), (178, 141645), (190, 132699), (210, 120061), (213, 118370), (266, 94785), (267, 94430), (285, 88466), (355, 71022), (399, 63190), (426, 59185), (445, 56658), (497, 50730), (534, 47215), (570, 44233), (623, 40470), (665, 37914), (710, 35511), (798, 31595), (890, 28329), (994, 25365), (1065, 23674), (1246, 20235), (1330, 18957), (1335, 18886), (1349, 18690), (1491, 16910), (1691, 14910), (1869, 13490), (1995, 12638), (2130, 11837), (2485, 10146), (2670, 9443), (2698, 9345), (2982, 8455), (3115, 8094), (3382, 7455), (3738, 6745), (3990, 6319), (4047, 6230), (4970, 5073)]