138957420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{887}}^1$

素因数の和:1279

約数の個数: 96

約数和(自身を含む): 446358528

約数和(自身を除く): 307401108

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, 373, 420, 746, 887, 1119, 1492, 1774, 1865, 2238, 2611, 2661, 3548, 3730, 4435, 4476, 5222, 5322, 5595, 6209, 7460, 7833, 8870, 10444, 10644, 11190, 12418, 13055, 13305, 15666, 17740, 18627, 22380, 24836, 26110, 26610, 31045, 31332, 37254, 39165, 52220, 53220, 62090, 74508, 78330, 93135, 124180, 156660, 186270, 330851, 372540, 661702, 992553, 1323404, 1654255, 1985106, 2315957, 3308510, 3970212, 4631914, 4962765, 6617020, 6947871, 9263828, 9925530, 11579785, 13895742, 19851060, 23159570, 27791484, 34739355, 46319140, 69478710, 138957420]

約数ペア:

[(1, 138957420), (2, 69478710), (3, 46319140), (4, 34739355), (5, 27791484), (6, 23159570), (7, 19851060), (10, 13895742), (12, 11579785), (14, 9925530), (15, 9263828), (20, 6947871), (21, 6617020), (28, 4962765), (30, 4631914), (35, 3970212), (42, 3308510), (60, 2315957), (70, 1985106), (84, 1654255), (105, 1323404), (140, 992553), (210, 661702), (373, 372540), (420, 330851), (746, 186270), (887, 156660), (1119, 124180), (1492, 93135), (1774, 78330), (1865, 74508), (2238, 62090), (2611, 53220), (2661, 52220), (3548, 39165), (3730, 37254), (4435, 31332), (4476, 31045), (5222, 26610), (5322, 26110), (5595, 24836), (6209, 22380), (7460, 18627), (7833, 17740), (8870, 15666), (10444, 13305), (10644, 13055), (11190, 12418)]