2431240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 6595200

約数和(自身を除く): 4163960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 457, 532, 665, 760, 914, 1064, 1330, 1828, 2285, 2660, 3199, 3656, 4570, 5320, 6398, 8683, 9140, 12796, 15995, 17366, 18280, 25592, 31990, 34732, 43415, 60781, 63980, 69464, 86830, 121562, 127960, 173660, 243124, 303905, 347320, 486248, 607810, 1215620, 2431240]

約数ペア:

[(1, 2431240), (2, 1215620), (4, 607810), (5, 486248), (7, 347320), (8, 303905), (10, 243124), (14, 173660), (19, 127960), (20, 121562), (28, 86830), (35, 69464), (38, 63980), (40, 60781), (56, 43415), (70, 34732), (76, 31990), (95, 25592), (133, 18280), (140, 17366), (152, 15995), (190, 12796), (266, 9140), (280, 8683), (380, 6398), (457, 5320), (532, 4570), (665, 3656), (760, 3199), (914, 2660), (1064, 2285), (1330, 1828)]