38906980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 101050740

約数和(自身を除く): 62143760

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 37, 49, 58, 70, 74, 98, 116, 140, 145, 148, 185, 196, 203, 245, 259, 290, 370, 406, 490, 518, 580, 740, 812, 980, 1015, 1036, 1073, 1295, 1369, 1421, 1813, 2030, 2146, 2590, 2738, 2842, 3626, 4060, 4292, 5180, 5365, 5476, 5684, 6845, 7105, 7252, 7511, 9065, 9583, 10730, 13690, 14210, 15022, 18130, 19166, 21460, 27380, 28420, 30044, 36260, 37555, 38332, 39701, 47915, 52577, 67081, 75110, 79402, 95830, 105154, 134162, 150220, 158804, 191660, 198505, 210308, 262885, 268324, 277907, 335405, 397010, 525770, 555814, 670810, 794020, 1051540, 1111628, 1341620, 1389535, 1945349, 2779070, 3890698, 5558140, 7781396, 9726745, 19453490, 38906980]

約数ペア:

[(1, 38906980), (2, 19453490), (4, 9726745), (5, 7781396), (7, 5558140), (10, 3890698), (14, 2779070), (20, 1945349), (28, 1389535), (29, 1341620), (35, 1111628), (37, 1051540), (49, 794020), (58, 670810), (70, 555814), (74, 525770), (98, 397010), (116, 335405), (140, 277907), (145, 268324), (148, 262885), (185, 210308), (196, 198505), (203, 191660), (245, 158804), (259, 150220), (290, 134162), (370, 105154), (406, 95830), (490, 79402), (518, 75110), (580, 67081), (740, 52577), (812, 47915), (980, 39701), (1015, 38332), (1036, 37555), (1073, 36260), (1295, 30044), (1369, 28420), (1421, 27380), (1813, 21460), (2030, 19166), (2146, 18130), (2590, 15022), (2738, 14210), (2842, 13690), (3626, 10730), (4060, 9583), (4292, 9065), (5180, 7511), (5365, 7252), (5476, 7105), (5684, 6845)]