17740240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 47854080

約数和(自身を除く): 30113840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 401, 553, 560, 632, 790, 802, 1106, 1264, 1580, 1604, 2005, 2212, 2765, 2807, 3160, 3208, 4010, 4424, 5530, 5614, 6320, 6416, 8020, 8848, 11060, 11228, 14035, 16040, 22120, 22456, 28070, 31679, 32080, 44240, 44912, 56140, 63358, 112280, 126716, 158395, 221753, 224560, 253432, 316790, 443506, 506864, 633580, 887012, 1108765, 1267160, 1774024, 2217530, 2534320, 3548048, 4435060, 8870120, 17740240]

約数ペア:

[(1, 17740240), (2, 8870120), (4, 4435060), (5, 3548048), (7, 2534320), (8, 2217530), (10, 1774024), (14, 1267160), (16, 1108765), (20, 887012), (28, 633580), (35, 506864), (40, 443506), (56, 316790), (70, 253432), (79, 224560), (80, 221753), (112, 158395), (140, 126716), (158, 112280), (280, 63358), (316, 56140), (395, 44912), (401, 44240), (553, 32080), (560, 31679), (632, 28070), (790, 22456), (802, 22120), (1106, 16040), (1264, 14035), (1580, 11228), (1604, 11060), (2005, 8848), (2212, 8020), (2765, 6416), (2807, 6320), (3160, 5614), (3208, 5530), (4010, 4424)]