4900220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 11346048

約数和(自身を除く): 6445828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 401, 470, 611, 802, 940, 1222, 1604, 2005, 2444, 3055, 4010, 5213, 6110, 8020, 10426, 12220, 18847, 20852, 26065, 37694, 52130, 75388, 94235, 104260, 188470, 245011, 376940, 490022, 980044, 1225055, 2450110, 4900220]

約数ペア:

[(1, 4900220), (2, 2450110), (4, 1225055), (5, 980044), (10, 490022), (13, 376940), (20, 245011), (26, 188470), (47, 104260), (52, 94235), (65, 75388), (94, 52130), (130, 37694), (188, 26065), (235, 20852), (260, 18847), (401, 12220), (470, 10426), (611, 8020), (802, 6110), (940, 5213), (1222, 4010), (1604, 3055), (2005, 2444)]