77874860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19181}}^1$

素因数の和:19226

約数の個数: 48

約数和(自身を含む): 193354560

約数和(自身を除く): 115479700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19181, 38362, 76724, 95905, 134267, 191810, 268534, 383620, 537068, 556249, 671335, 1112498, 1342670, 2224996, 2685340, 2781245, 3893743, 5562490, 7787486, 11124980, 15574972, 19468715, 38937430, 77874860]

約数ペア:

[(1, 77874860), (2, 38937430), (4, 19468715), (5, 15574972), (7, 11124980), (10, 7787486), (14, 5562490), (20, 3893743), (28, 2781245), (29, 2685340), (35, 2224996), (58, 1342670), (70, 1112498), (116, 671335), (140, 556249), (145, 537068), (203, 383620), (290, 268534), (406, 191810), (580, 134267), (812, 95905), (1015, 76724), (2030, 38362), (4060, 19181)]