29967980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2579}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 42849940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2579, 2905, 5158, 5810, 10316, 11620, 12895, 18053, 25790, 36106, 51580, 72212, 90265, 180530, 214057, 361060, 428114, 856228, 1070285, 1498399, 2140570, 2996798, 4281140, 5993596, 7491995, 14983990, 29967980]

約数ペア:

[(1, 29967980), (2, 14983990), (4, 7491995), (5, 5993596), (7, 4281140), (10, 2996798), (14, 2140570), (20, 1498399), (28, 1070285), (35, 856228), (70, 428114), (83, 361060), (140, 214057), (166, 180530), (332, 90265), (415, 72212), (581, 51580), (830, 36106), (1162, 25790), (1660, 18053), (2324, 12895), (2579, 11620), (2905, 10316), (5158, 5810)]