411904420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{13721}}^1$

素因数の和:13828

約数の個数: 48

約数和(自身を含む): 922118400

約数和(自身を除く): 510213980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 13721, 15010, 27442, 30020, 54884, 68605, 137210, 260699, 274420, 521398, 1042796, 1083959, 1303495, 2167918, 2606990, 4335836, 5213980, 5419795, 10839590, 20595221, 21679180, 41190442, 82380884, 102976105, 205952210, 411904420]

約数ペア:

[(1, 411904420), (2, 205952210), (4, 102976105), (5, 82380884), (10, 41190442), (19, 21679180), (20, 20595221), (38, 10839590), (76, 5419795), (79, 5213980), (95, 4335836), (158, 2606990), (190, 2167918), (316, 1303495), (380, 1083959), (395, 1042796), (790, 521398), (1501, 274420), (1580, 260699), (3002, 137210), (6004, 68605), (7505, 54884), (13721, 30020), (15010, 27442)]