724440140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1\times {\mathrm{997}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 1557263232

約数和(自身を除く): 832823092

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 773, 940, 997, 1546, 1994, 3092, 3865, 3988, 4985, 7730, 9970, 15460, 19940, 36331, 46859, 72662, 93718, 145324, 181655, 187436, 234295, 363310, 468590, 726620, 770681, 937180, 1541362, 3082724, 3853405, 7706810, 15413620, 36222007, 72444014, 144888028, 181110035, 362220070, 724440140]

約数ペア:

[(1, 724440140), (2, 362220070), (4, 181110035), (5, 144888028), (10, 72444014), (20, 36222007), (47, 15413620), (94, 7706810), (188, 3853405), (235, 3082724), (470, 1541362), (773, 937180), (940, 770681), (997, 726620), (1546, 468590), (1994, 363310), (3092, 234295), (3865, 187436), (3988, 181655), (4985, 145324), (7730, 93718), (9970, 72662), (15460, 46859), (19940, 36331)]