1489940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 1896940

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 79, 82, 92, 115, 158, 164, 205, 230, 316, 395, 410, 460, 790, 820, 943, 1580, 1817, 1886, 3239, 3634, 3772, 4715, 6478, 7268, 9085, 9430, 12956, 16195, 18170, 18860, 32390, 36340, 64780, 74497, 148994, 297988, 372485, 744970, 1489940]

約数ペア:

[(1, 1489940), (2, 744970), (4, 372485), (5, 297988), (10, 148994), (20, 74497), (23, 64780), (41, 36340), (46, 32390), (79, 18860), (82, 18170), (92, 16195), (115, 12956), (158, 9430), (164, 9085), (205, 7268), (230, 6478), (316, 4715), (395, 3772), (410, 3634), (460, 3239), (790, 1886), (820, 1817), (943, 1580)]