9904020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23581}}^1$

素因数の和:23600

約数の個数: 48

約数和(自身を含む): 31694208

約数和(自身を除く): 21790188

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, 23581, 47162, 70743, 94324, 117905, 141486, 165067, 235810, 282972, 330134, 353715, 471620, 495201, 660268, 707430, 825335, 990402, 1414860, 1650670, 1980804, 2476005, 3301340, 4952010, 9904020]

約数ペア:

[(1, 9904020), (2, 4952010), (3, 3301340), (4, 2476005), (5, 1980804), (6, 1650670), (7, 1414860), (10, 990402), (12, 825335), (14, 707430), (15, 660268), (20, 495201), (21, 471620), (28, 353715), (30, 330134), (35, 282972), (42, 235810), (60, 165067), (70, 141486), (84, 117905), (105, 94324), (140, 70743), (210, 47162), (420, 23581)]