400207940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{3929}}^1$

素因数の和:4412

約数の個数: 48

約数和(自身を含む): 919054080

約数和(自身を除く): 518846140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 463, 926, 1852, 2315, 3929, 4630, 5093, 7858, 9260, 10186, 15716, 19645, 20372, 25465, 39290, 43219, 50930, 78580, 86438, 101860, 172876, 216095, 432190, 864380, 1819127, 3638254, 7276508, 9095635, 18191270, 20010397, 36382540, 40020794, 80041588, 100051985, 200103970, 400207940]

約数ペア:

[(1, 400207940), (2, 200103970), (4, 100051985), (5, 80041588), (10, 40020794), (11, 36382540), (20, 20010397), (22, 18191270), (44, 9095635), (55, 7276508), (110, 3638254), (220, 1819127), (463, 864380), (926, 432190), (1852, 216095), (2315, 172876), (3929, 101860), (4630, 86438), (5093, 78580), (7858, 50930), (9260, 43219), (10186, 39290), (15716, 25465), (19645, 20372)]