2012940440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{152959}}^1$

素因数の和:153024

約数の個数: 64

約数和(自身を含む): 5286297600

約数和(自身を除く): 3273357160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 152959, 305918, 611836, 764795, 1070713, 1223672, 1529590, 2141426, 3059180, 4282852, 5353565, 6118360, 7189073, 8565704, 10707130, 14378146, 21414260, 28756292, 35945365, 42828520, 50323511, 57512584, 71890730, 100647022, 143781460, 201294044, 251617555, 287562920, 402588088, 503235110, 1006470220, 2012940440]

約数ペア:

[(1, 2012940440), (2, 1006470220), (4, 503235110), (5, 402588088), (7, 287562920), (8, 251617555), (10, 201294044), (14, 143781460), (20, 100647022), (28, 71890730), (35, 57512584), (40, 50323511), (47, 42828520), (56, 35945365), (70, 28756292), (94, 21414260), (140, 14378146), (188, 10707130), (235, 8565704), (280, 7189073), (329, 6118360), (376, 5353565), (470, 4282852), (658, 3059180), (940, 2141426), (1316, 1529590), (1645, 1223672), (1880, 1070713), (2632, 764795), (3290, 611836), (6580, 305918), (13160, 152959)]