290608420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{26371}}^1$

素因数の和:26428

約数の個数: 48

約数和(自身を含む): 664574400

約数和(自身を除く): 373965980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 26371, 52742, 105484, 131855, 263710, 501049, 527420, 764759, 1002098, 1529518, 2004196, 2505245, 3059036, 3823795, 5010490, 7647590, 10020980, 14530421, 15295180, 29060842, 58121684, 72652105, 145304210, 290608420]

約数ペア:

[(1, 290608420), (2, 145304210), (4, 72652105), (5, 58121684), (10, 29060842), (19, 15295180), (20, 14530421), (29, 10020980), (38, 7647590), (58, 5010490), (76, 3823795), (95, 3059036), (116, 2505245), (145, 2004196), (190, 1529518), (290, 1002098), (380, 764759), (551, 527420), (580, 501049), (1102, 263710), (2204, 131855), (2755, 105484), (5510, 52742), (11020, 26371)]