70281825.000000000

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{305581}}^1$

素因数の和:305600

約数の個数: 48

約数和(自身を含む): 410702208

約数和(自身を除く): 282358188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 305581, 611162, 916743, 1222324, 1527905, 1833486, 2139067, 3055810, 3666972, 4278134, 4583715, 6111620, 6417201, 8556268, 9167430, 10695335, 12834402, 18334860, 21390670, 25668804, 32086005, 42781340, 64172010, 128344020]

約数ペア:

[(1, 128344020), (2, 64172010), (3, 42781340), (4, 32086005), (5, 25668804), (6, 21390670), (7, 18334860), (10, 12834402), (12, 10695335), (14, 9167430), (15, 8556268), (20, 6417201), (21, 6111620), (28, 4583715), (30, 4278134), (35, 3666972), (42, 3055810), (60, 2139067), (70, 1833486), (84, 1527905), (105, 1222324), (140, 916743), (210, 611162), (420, 305581)]