78562340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 175929600

約数和(自身を除く): 97367260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2617, 3002, 5234, 6004, 7505, 10468, 13085, 15010, 26170, 30020, 49723, 52340, 99446, 198892, 206743, 248615, 413486, 497230, 826972, 994460, 1033715, 2067430, 3928117, 4134860, 7856234, 15712468, 19640585, 39281170, 78562340]

約数ペア:

[(1, 78562340), (2, 39281170), (4, 19640585), (5, 15712468), (10, 7856234), (19, 4134860), (20, 3928117), (38, 2067430), (76, 1033715), (79, 994460), (95, 826972), (158, 497230), (190, 413486), (316, 248615), (380, 206743), (395, 198892), (790, 99446), (1501, 52340), (1580, 49723), (2617, 30020), (3002, 26170), (5234, 15010), (6004, 13085), (7505, 10468)]