28261660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6961}}^1$

素因数の和:7006

約数の個数: 48

約数和(自身を含む): 70176960

約数和(自身を除く): 41915300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6961, 13922, 27844, 34805, 48727, 69610, 97454, 139220, 194908, 201869, 243635, 403738, 487270, 807476, 974540, 1009345, 1413083, 2018690, 2826166, 4037380, 5652332, 7065415, 14130830, 28261660]

約数ペア:

[(1, 28261660), (2, 14130830), (4, 7065415), (5, 5652332), (7, 4037380), (10, 2826166), (14, 2018690), (20, 1413083), (28, 1009345), (29, 974540), (35, 807476), (58, 487270), (70, 403738), (116, 243635), (140, 201869), (145, 194908), (203, 139220), (290, 97454), (406, 69610), (580, 48727), (812, 34805), (1015, 27844), (2030, 13922), (4060, 6961)]