201261620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5009}}^1$

素因数の和:5073

約数の個数: 72

約数和(自身を含む): 503745480

約数和(自身を除く): 302483860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5009, 5740, 8036, 10018, 10045, 20036, 20090, 25045, 35063, 40180, 50090, 70126, 100180, 140252, 175315, 205369, 245441, 350630, 410738, 490882, 701260, 821476, 981764, 1026845, 1227205, 1437583, 2053690, 2454410, 2875166, 4107380, 4908820, 5750332, 7187915, 10063081, 14375830, 20126162, 28751660, 40252324, 50315405, 100630810, 201261620]

約数ペア:

[(1, 201261620), (2, 100630810), (4, 50315405), (5, 40252324), (7, 28751660), (10, 20126162), (14, 14375830), (20, 10063081), (28, 7187915), (35, 5750332), (41, 4908820), (49, 4107380), (70, 2875166), (82, 2454410), (98, 2053690), (140, 1437583), (164, 1227205), (196, 1026845), (205, 981764), (245, 821476), (287, 701260), (410, 490882), (490, 410738), (574, 350630), (820, 245441), (980, 205369), (1148, 175315), (1435, 140252), (2009, 100180), (2870, 70126), (4018, 50090), (5009, 40180), (5740, 35063), (8036, 25045), (10018, 20090), (10045, 20036)]