291213273020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{659}}^1\times {\mathrm{42409}}^1$

素因数の和:43598

約数の個数: 48

約数和(自身を含む): 613665914400

約数和(自身を除く): 322452641380

約数列:

[1, 2, 4, 5, 10, 20, 521, 659, 1042, 1318, 2084, 2605, 2636, 3295, 5210, 6590, 10420, 13180, 42409, 84818, 169636, 212045, 343339, 424090, 686678, 848180, 1373356, 1716695, 3433390, 6866780, 22095089, 27947531, 44190178, 55895062, 88380356, 110475445, 111790124, 139737655, 220950890, 279475310, 441901780, 558950620, 14560663651, 29121327302, 58242654604, 72803318255, 145606636510, 291213273020]

約数ペア:

[(1, 291213273020), (2, 145606636510), (4, 72803318255), (5, 58242654604), (10, 29121327302), (20, 14560663651), (521, 558950620), (659, 441901780), (1042, 279475310), (1318, 220950890), (2084, 139737655), (2605, 111790124), (2636, 110475445), (3295, 88380356), (5210, 55895062), (6590, 44190178), (10420, 27947531), (13180, 22095089), (42409, 6866780), (84818, 3433390), (169636, 1716695), (212045, 1373356), (343339, 848180), (424090, 686678)]