2216942990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{12979}}^1$

素因数の和:13065

約数の個数: 64

約数和(自身を含む): 4485888000

約数和(自身を除く): 2268945010

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1798, 2755, 2945, 4495, 5510, 5890, 8990, 12979, 17081, 25958, 34162, 64895, 85405, 129790, 170810, 246601, 376391, 402349, 493202, 752782, 804698, 1233005, 1881955, 2011745, 2466010, 3763910, 4023490, 7151429, 7644631, 11668121, 14302858, 15289262, 23336242, 35757145, 38223155, 58340605, 71514290, 76446310, 116681210, 221694299, 443388598, 1108471495, 2216942990]

約数ペア:

[(1, 2216942990), (2, 1108471495), (5, 443388598), (10, 221694299), (19, 116681210), (29, 76446310), (31, 71514290), (38, 58340605), (58, 38223155), (62, 35757145), (95, 23336242), (145, 15289262), (155, 14302858), (190, 11668121), (290, 7644631), (310, 7151429), (551, 4023490), (589, 3763910), (899, 2466010), (1102, 2011745), (1178, 1881955), (1798, 1233005), (2755, 804698), (2945, 752782), (4495, 493202), (5510, 402349), (5890, 376391), (8990, 246601), (12979, 170810), (17081, 129790), (25958, 85405), (34162, 64895)]