28667660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 45843700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 58, 70, 92, 115, 116, 140, 145, 161, 203, 230, 290, 307, 322, 406, 460, 580, 614, 644, 667, 805, 812, 1015, 1228, 1334, 1535, 1610, 2030, 2149, 2668, 3070, 3220, 3335, 4060, 4298, 4669, 6140, 6670, 7061, 8596, 8903, 9338, 10745, 13340, 14122, 17806, 18676, 21490, 23345, 28244, 35305, 35612, 42980, 44515, 46690, 49427, 62321, 70610, 89030, 93380, 98854, 124642, 141220, 178060, 197708, 204769, 247135, 249284, 311605, 409538, 494270, 623210, 819076, 988540, 1023845, 1246420, 1433383, 2047690, 2866766, 4095380, 5733532, 7166915, 14333830, 28667660]

約数ペア:

[(1, 28667660), (2, 14333830), (4, 7166915), (5, 5733532), (7, 4095380), (10, 2866766), (14, 2047690), (20, 1433383), (23, 1246420), (28, 1023845), (29, 988540), (35, 819076), (46, 623210), (58, 494270), (70, 409538), (92, 311605), (115, 249284), (116, 247135), (140, 204769), (145, 197708), (161, 178060), (203, 141220), (230, 124642), (290, 98854), (307, 93380), (322, 89030), (406, 70610), (460, 62321), (580, 49427), (614, 46690), (644, 44515), (667, 42980), (805, 35612), (812, 35305), (1015, 28244), (1228, 23345), (1334, 21490), (1535, 18676), (1610, 17806), (2030, 14122), (2149, 13340), (2668, 10745), (3070, 9338), (3220, 8903), (3335, 8596), (4060, 7061), (4298, 6670), (4669, 6140)]