2100025220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{22073}}^1$

素因数の和:22220

約数の個数: 48

約数和(自身を含む): 4539120768

約数和(自身を除く): 2439095548

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 4757, 9514, 19028, 22073, 23785, 44146, 47570, 88292, 95140, 110365, 220730, 441460, 1478891, 1567183, 2957782, 3134366, 5915564, 6268732, 7394455, 7835915, 14788910, 15671830, 29577820, 31343660, 105001261, 210002522, 420005044, 525006305, 1050012610, 2100025220]

約数ペア:

[(1, 2100025220), (2, 1050012610), (4, 525006305), (5, 420005044), (10, 210002522), (20, 105001261), (67, 31343660), (71, 29577820), (134, 15671830), (142, 14788910), (268, 7835915), (284, 7394455), (335, 6268732), (355, 5915564), (670, 3134366), (710, 2957782), (1340, 1567183), (1420, 1478891), (4757, 441460), (9514, 220730), (19028, 110365), (22073, 95140), (23785, 88292), (44146, 47570)]