22712900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 57246336

約数和(自身を除く): 34533436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 457, 497, 700, 710, 914, 994, 1420, 1775, 1828, 1988, 2285, 2485, 3199, 3550, 4570, 4970, 6398, 7100, 9140, 9940, 11425, 12425, 12796, 15995, 22850, 24850, 31990, 32447, 45700, 49700, 63980, 64894, 79975, 129788, 159950, 162235, 227129, 319900, 324470, 454258, 648940, 811175, 908516, 1135645, 1622350, 2271290, 3244700, 4542580, 5678225, 11356450, 22712900]

約数ペア:

[(1, 22712900), (2, 11356450), (4, 5678225), (5, 4542580), (7, 3244700), (10, 2271290), (14, 1622350), (20, 1135645), (25, 908516), (28, 811175), (35, 648940), (50, 454258), (70, 324470), (71, 319900), (100, 227129), (140, 162235), (142, 159950), (175, 129788), (284, 79975), (350, 64894), (355, 63980), (457, 49700), (497, 45700), (700, 32447), (710, 31990), (914, 24850), (994, 22850), (1420, 15995), (1775, 12796), (1828, 12425), (1988, 11425), (2285, 9940), (2485, 9140), (3199, 7100), (3550, 6398), (4570, 4970)]