383723240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4999}}^1$

素因数の和:5130

約数の個数: 64

約数和(自身を含む): 918000000

約数和(自身を除く): 534276760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 4999, 7676, 9595, 9998, 15352, 19190, 19996, 24995, 38380, 39992, 49990, 76760, 94981, 99980, 189962, 199960, 379924, 474905, 504899, 759848, 949810, 1009798, 1899620, 2019596, 2524495, 3799240, 4039192, 5048990, 9593081, 10097980, 19186162, 20195960, 38372324, 47965405, 76744648, 95930810, 191861620, 383723240]

約数ペア:

[(1, 383723240), (2, 191861620), (4, 95930810), (5, 76744648), (8, 47965405), (10, 38372324), (19, 20195960), (20, 19186162), (38, 10097980), (40, 9593081), (76, 5048990), (95, 4039192), (101, 3799240), (152, 2524495), (190, 2019596), (202, 1899620), (380, 1009798), (404, 949810), (505, 759848), (760, 504899), (808, 474905), (1010, 379924), (1919, 199960), (2020, 189962), (3838, 99980), (4040, 94981), (4999, 76760), (7676, 49990), (9595, 39992), (9998, 38380), (15352, 24995), (19190, 19996)]