136768460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 303471840

約数和(自身を除く): 166703380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 997, 1444, 1805, 1994, 3610, 3988, 4985, 6859, 7220, 9970, 13718, 18943, 19940, 27436, 34295, 37886, 68590, 75772, 94715, 137180, 189430, 359917, 378860, 719834, 1439668, 1799585, 3599170, 6838423, 7198340, 13676846, 27353692, 34192115, 68384230, 136768460]

約数ペア:

[(1, 136768460), (2, 68384230), (4, 34192115), (5, 27353692), (10, 13676846), (19, 7198340), (20, 6838423), (38, 3599170), (76, 1799585), (95, 1439668), (190, 719834), (361, 378860), (380, 359917), (722, 189430), (997, 137180), (1444, 94715), (1805, 75772), (1994, 68590), (3610, 37886), (3988, 34295), (4985, 27436), (6859, 19940), (7220, 18943), (9970, 13718)]