1900565500

素因数分解:

$2^2\times 5^3\times {\mathrm{1913}}^1\times {\mathrm{1987}}^1$

素因数の和:3919

約数の個数: 48

約数和(自身を含む): 4155094944

約数和(自身を除く): 2254529444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1913, 1987, 3826, 3974, 7652, 7948, 9565, 9935, 19130, 19870, 38260, 39740, 47825, 49675, 95650, 99350, 191300, 198700, 239125, 248375, 478250, 496750, 956500, 993500, 3801131, 7602262, 15204524, 19005655, 38011310, 76022620, 95028275, 190056550, 380113100, 475141375, 950282750, 1900565500]

約数ペア:

[(1, 1900565500), (2, 950282750), (4, 475141375), (5, 380113100), (10, 190056550), (20, 95028275), (25, 76022620), (50, 38011310), (100, 19005655), (125, 15204524), (250, 7602262), (500, 3801131), (1913, 993500), (1987, 956500), (3826, 496750), (3974, 478250), (7652, 248375), (7948, 239125), (9565, 198700), (9935, 191300), (19130, 99350), (19870, 95650), (38260, 49675), (39740, 47825)]