238038640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3347}}^1$

素因数の和:3494

約数の個数: 80

約数和(自身を含む): 637673472

約数和(自身を除く): 399634832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3347, 3556, 4445, 5080, 6694, 7112, 8890, 10160, 13388, 14224, 16735, 17780, 23429, 26776, 33470, 35560, 46858, 53552, 66940, 71120, 93716, 117145, 133880, 187432, 234290, 267760, 374864, 425069, 468580, 850138, 937160, 1700276, 1874320, 2125345, 2975483, 3400552, 4250690, 5950966, 6801104, 8501380, 11901932, 14877415, 17002760, 23803864, 29754830, 34005520, 47607728, 59509660, 119019320, 238038640]

約数ペア:

[(1, 238038640), (2, 119019320), (4, 59509660), (5, 47607728), (7, 34005520), (8, 29754830), (10, 23803864), (14, 17002760), (16, 14877415), (20, 11901932), (28, 8501380), (35, 6801104), (40, 5950966), (56, 4250690), (70, 3400552), (80, 2975483), (112, 2125345), (127, 1874320), (140, 1700276), (254, 937160), (280, 850138), (508, 468580), (560, 425069), (635, 374864), (889, 267760), (1016, 234290), (1270, 187432), (1778, 133880), (2032, 117145), (2540, 93716), (3347, 71120), (3556, 66940), (4445, 53552), (5080, 46858), (6694, 35560), (7112, 33470), (8890, 26776), (10160, 23429), (13388, 17780), (14224, 16735)]