2018286760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{74311}}^1$

素因数の和:74426

約数の個数: 64

約数和(自身を含む): 5243454720

約数和(自身を除く): 3225167960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 13580, 27160, 74311, 148622, 297244, 371555, 520177, 594488, 743110, 1040354, 1486220, 2080708, 2600885, 2972440, 4161416, 5201770, 7208167, 10403540, 14416334, 20807080, 28832668, 36040835, 50457169, 57665336, 72081670, 100914338, 144163340, 201828676, 252285845, 288326680, 403657352, 504571690, 1009143380, 2018286760]

約数ペア:

[(1, 2018286760), (2, 1009143380), (4, 504571690), (5, 403657352), (7, 288326680), (8, 252285845), (10, 201828676), (14, 144163340), (20, 100914338), (28, 72081670), (35, 57665336), (40, 50457169), (56, 36040835), (70, 28832668), (97, 20807080), (140, 14416334), (194, 10403540), (280, 7208167), (388, 5201770), (485, 4161416), (679, 2972440), (776, 2600885), (970, 2080708), (1358, 1486220), (1940, 1040354), (2716, 743110), (3395, 594488), (3880, 520177), (5432, 371555), (6790, 297244), (13580, 148622), (27160, 74311)]