27998420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 60469248

約数和(自身を除く): 32470828

約数列:

[1, 2, 4, 5, 10, 20, 73, 127, 146, 151, 254, 292, 302, 365, 508, 604, 635, 730, 755, 1270, 1460, 1510, 2540, 3020, 9271, 11023, 18542, 19177, 22046, 37084, 38354, 44092, 46355, 55115, 76708, 92710, 95885, 110230, 185420, 191770, 220460, 383540, 1399921, 2799842, 5599684, 6999605, 13999210, 27998420]

約数ペア:

[(1, 27998420), (2, 13999210), (4, 6999605), (5, 5599684), (10, 2799842), (20, 1399921), (73, 383540), (127, 220460), (146, 191770), (151, 185420), (254, 110230), (292, 95885), (302, 92710), (365, 76708), (508, 55115), (604, 46355), (635, 44092), (730, 38354), (755, 37084), (1270, 22046), (1460, 19177), (1510, 18542), (2540, 11023), (3020, 9271)]