69886940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 155221920

約数和(自身を除く): 85334980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 353, 380, 521, 706, 1042, 1412, 1765, 2084, 2605, 3530, 5210, 6707, 7060, 9899, 10420, 13414, 19798, 26828, 33535, 39596, 49495, 67070, 98990, 134140, 183913, 197980, 367826, 735652, 919565, 1839130, 3494347, 3678260, 6988694, 13977388, 17471735, 34943470, 69886940]

約数ペア:

[(1, 69886940), (2, 34943470), (4, 17471735), (5, 13977388), (10, 6988694), (19, 3678260), (20, 3494347), (38, 1839130), (76, 919565), (95, 735652), (190, 367826), (353, 197980), (380, 183913), (521, 134140), (706, 98990), (1042, 67070), (1412, 49495), (1765, 39596), (2084, 33535), (2605, 26828), (3530, 19798), (5210, 13414), (6707, 10420), (7060, 9899)]