398724156940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{10260529}}^1$

素因数の和:10260634

約数の個数: 48

約数和(自身を含む): 879122210400

約数和(自身を除く): 480398053460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1943, 3886, 7772, 9715, 19430, 38860, 10260529, 20521058, 41042116, 51302645, 102605290, 205210580, 297555341, 595110682, 687455443, 1190221364, 1374910886, 1487776705, 2749821772, 2975553410, 3437277215, 5951106820, 6874554430, 13749108860, 19936207847, 39872415694, 79744831388, 99681039235, 199362078470, 398724156940]

約数ペア:

[(1, 398724156940), (2, 199362078470), (4, 99681039235), (5, 79744831388), (10, 39872415694), (20, 19936207847), (29, 13749108860), (58, 6874554430), (67, 5951106820), (116, 3437277215), (134, 2975553410), (145, 2749821772), (268, 1487776705), (290, 1374910886), (335, 1190221364), (580, 687455443), (670, 595110682), (1340, 297555341), (1943, 205210580), (3886, 102605290), (7772, 51302645), (9715, 41042116), (19430, 20521058), (38860, 10260529)]