419707890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{666203}}^1$

素因数の和:666223

約数の個数: 48

約数和(自身を含む): 1247133888

約数和(自身を除く): 827425998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 666203, 1332406, 1998609, 3331015, 3997218, 4663421, 5995827, 6662030, 9326842, 9993045, 11991654, 13990263, 19986090, 23317105, 27980526, 29979135, 41970789, 46634210, 59958270, 69951315, 83941578, 139902630, 209853945, 419707890]

約数ペア:

[(1, 419707890), (2, 209853945), (3, 139902630), (5, 83941578), (6, 69951315), (7, 59958270), (9, 46634210), (10, 41970789), (14, 29979135), (15, 27980526), (18, 23317105), (21, 19986090), (30, 13990263), (35, 11991654), (42, 9993045), (45, 9326842), (63, 6662030), (70, 5995827), (90, 4663421), (105, 3997218), (126, 3331015), (210, 1998609), (315, 1332406), (630, 666203)]