74405240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20441}}^1$

素因数の和:20472

約数の個数: 64

約数和(自身を含む): 206055360

約数和(自身を除く): 131650120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 20441, 40882, 81764, 102205, 143087, 163528, 204410, 265733, 286174, 408820, 531466, 572348, 715435, 817640, 1062932, 1144696, 1328665, 1430870, 1860131, 2125864, 2657330, 2861740, 3720262, 5314660, 5723480, 7440524, 9300655, 10629320, 14881048, 18601310, 37202620, 74405240]

約数ペア:

[(1, 74405240), (2, 37202620), (4, 18601310), (5, 14881048), (7, 10629320), (8, 9300655), (10, 7440524), (13, 5723480), (14, 5314660), (20, 3720262), (26, 2861740), (28, 2657330), (35, 2125864), (40, 1860131), (52, 1430870), (56, 1328665), (65, 1144696), (70, 1062932), (91, 817640), (104, 715435), (130, 572348), (140, 531466), (182, 408820), (260, 286174), (280, 265733), (364, 204410), (455, 163528), (520, 143087), (728, 102205), (910, 81764), (1820, 40882), (3640, 20441)]