201509180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4421}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 441280224

約数和(自身を除く): 239771044

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 4421, 4558, 8842, 9116, 11395, 17684, 22105, 22790, 44210, 45580, 88420, 190103, 234313, 380206, 468626, 760412, 937252, 950515, 1171565, 1901030, 2343130, 3802060, 4686260, 10075459, 20150918, 40301836, 50377295, 100754590, 201509180]

約数ペア:

[(1, 201509180), (2, 100754590), (4, 50377295), (5, 40301836), (10, 20150918), (20, 10075459), (43, 4686260), (53, 3802060), (86, 2343130), (106, 1901030), (172, 1171565), (212, 950515), (215, 937252), (265, 760412), (430, 468626), (530, 380206), (860, 234313), (1060, 190103), (2279, 88420), (4421, 45580), (4558, 44210), (8842, 22790), (9116, 22105), (11395, 17684)]