83821100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 199997616

約数和(自身を除く): 116176516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 362, 421, 550, 724, 842, 905, 1100, 1684, 1810, 1991, 2105, 3620, 3982, 4210, 4525, 4631, 7964, 8420, 9050, 9262, 9955, 10525, 18100, 18524, 19910, 21050, 23155, 39820, 42100, 46310, 49775, 76201, 92620, 99550, 115775, 152402, 199100, 231550, 304804, 381005, 463100, 762010, 838211, 1524020, 1676422, 1905025, 3352844, 3810050, 4191055, 7620100, 8382110, 16764220, 20955275, 41910550, 83821100]

約数ペア:

[(1, 83821100), (2, 41910550), (4, 20955275), (5, 16764220), (10, 8382110), (11, 7620100), (20, 4191055), (22, 3810050), (25, 3352844), (44, 1905025), (50, 1676422), (55, 1524020), (100, 838211), (110, 762010), (181, 463100), (220, 381005), (275, 304804), (362, 231550), (421, 199100), (550, 152402), (724, 115775), (842, 99550), (905, 92620), (1100, 76201), (1684, 49775), (1810, 46310), (1991, 42100), (2105, 39820), (3620, 23155), (3982, 21050), (4210, 19910), (4525, 18524), (4631, 18100), (7964, 10525), (8420, 9955), (9050, 9262)]