260418340

素因数分解:

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

素因数の和:20477

約数の個数: 72

約数和(自身を含む): 685134072

約数和(自身を除く): 424715732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 20441, 40882, 81764, 102205, 143087, 204410, 265733, 286174, 408820, 531466, 572348, 715435, 1001609, 1062932, 1328665, 1430870, 1860131, 2003218, 2657330, 2861740, 3720262, 4006436, 5008045, 5314660, 7440524, 9300655, 10016090, 13020917, 18601310, 20032180, 26041834, 37202620, 52083668, 65104585, 130209170, 260418340]

約数ペア:

[(1, 260418340), (2, 130209170), (4, 65104585), (5, 52083668), (7, 37202620), (10, 26041834), (13, 20032180), (14, 18601310), (20, 13020917), (26, 10016090), (28, 9300655), (35, 7440524), (49, 5314660), (52, 5008045), (65, 4006436), (70, 3720262), (91, 2861740), (98, 2657330), (130, 2003218), (140, 1860131), (182, 1430870), (196, 1328665), (245, 1062932), (260, 1001609), (364, 715435), (455, 572348), (490, 531466), (637, 408820), (910, 286174), (980, 265733), (1274, 204410), (1820, 143087), (2548, 102205), (3185, 81764), (6370, 40882), (12740, 20441)]