1555702900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1439}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 3562272000

約数和(自身を除く): 2006569100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 569, 950, 1138, 1439, 1900, 2276, 2845, 2878, 5690, 5756, 7195, 10811, 11380, 14225, 14390, 21622, 27341, 28450, 28780, 35975, 43244, 54055, 54682, 56900, 71950, 108110, 109364, 136705, 143900, 216220, 270275, 273410, 540550, 546820, 683525, 818791, 1081100, 1367050, 1637582, 2734100, 3275164, 4093955, 8187910, 15557029, 16375820, 20469775, 31114058, 40939550, 62228116, 77785145, 81879100, 155570290, 311140580, 388925725, 777851450, 1555702900]

約数ペア:

[(1, 1555702900), (2, 777851450), (4, 388925725), (5, 311140580), (10, 155570290), (19, 81879100), (20, 77785145), (25, 62228116), (38, 40939550), (50, 31114058), (76, 20469775), (95, 16375820), (100, 15557029), (190, 8187910), (380, 4093955), (475, 3275164), (569, 2734100), (950, 1637582), (1138, 1367050), (1439, 1081100), (1900, 818791), (2276, 683525), (2845, 546820), (2878, 540550), (5690, 273410), (5756, 270275), (7195, 216220), (10811, 143900), (11380, 136705), (14225, 109364), (14390, 108110), (21622, 71950), (27341, 56900), (28450, 54682), (28780, 54055), (35975, 43244)]