254138830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{12907}}^1$

素因数の和:13104

約数の個数: 32

約数和(自身を含む): 501863040

約数和(自身を除く): 247724210

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1790, 1969, 3938, 9845, 12907, 19690, 25814, 64535, 129070, 141977, 283954, 709885, 1419770, 2310353, 4620706, 11551765, 23103530, 25413883, 50827766, 127069415, 254138830]

約数ペア:

[(1, 254138830), (2, 127069415), (5, 50827766), (10, 25413883), (11, 23103530), (22, 11551765), (55, 4620706), (110, 2310353), (179, 1419770), (358, 709885), (895, 283954), (1790, 141977), (1969, 129070), (3938, 64535), (9845, 25814), (12907, 19690)]