128838920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27067}}^1$

素因数の和:27102

約数の個数: 64

約数和(自身を含む): 350801280

約数和(自身を除く): 221962360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 27067, 54134, 108268, 135335, 189469, 216536, 270670, 378938, 460139, 541340, 757876, 920278, 947345, 1082680, 1515752, 1840556, 1894690, 2300695, 3220973, 3681112, 3789380, 4601390, 6441946, 7578760, 9202780, 12883892, 16104865, 18405560, 25767784, 32209730, 64419460, 128838920]

約数ペア:

[(1, 128838920), (2, 64419460), (4, 32209730), (5, 25767784), (7, 18405560), (8, 16104865), (10, 12883892), (14, 9202780), (17, 7578760), (20, 6441946), (28, 4601390), (34, 3789380), (35, 3681112), (40, 3220973), (56, 2300695), (68, 1894690), (70, 1840556), (85, 1515752), (119, 1082680), (136, 947345), (140, 920278), (170, 757876), (238, 541340), (280, 460139), (340, 378938), (476, 270670), (595, 216536), (680, 189469), (952, 135335), (1190, 108268), (2380, 54134), (4760, 27067)]