2904104020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{8389}}^1$

素因数の和:9328

約数の個数: 48

約数和(自身を含む): 6427411200

約数和(自身を除く): 3523307180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 911, 1822, 3644, 4555, 8389, 9110, 16778, 17309, 18220, 33556, 34618, 41945, 69236, 83890, 86545, 159391, 167780, 173090, 318782, 346180, 637564, 796955, 1593910, 3187820, 7642379, 15284758, 30569516, 38211895, 76423790, 145205201, 152847580, 290410402, 580820804, 726026005, 1452052010, 2904104020]

約数ペア:

[(1, 2904104020), (2, 1452052010), (4, 726026005), (5, 580820804), (10, 290410402), (19, 152847580), (20, 145205201), (38, 76423790), (76, 38211895), (95, 30569516), (190, 15284758), (380, 7642379), (911, 3187820), (1822, 1593910), (3644, 796955), (4555, 637564), (8389, 346180), (9110, 318782), (16778, 173090), (17309, 167780), (18220, 159391), (33556, 86545), (34618, 83890), (41945, 69236)]