289804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 664070400

約数和(自身を除く): 374265820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 179, 260, 338, 358, 479, 676, 716, 845, 895, 958, 1690, 1790, 1916, 2327, 2395, 3380, 3580, 4654, 4790, 6227, 9308, 9580, 11635, 12454, 23270, 24908, 30251, 31135, 46540, 60502, 62270, 80951, 85741, 121004, 124540, 151255, 161902, 171482, 302510, 323804, 342964, 404755, 428705, 605020, 809510, 857410, 1114633, 1619020, 1714820, 2229266, 4458532, 5573165, 11146330, 14490229, 22292660, 28980458, 57960916, 72451145, 144902290, 289804580]

約数ペア:

[(1, 289804580), (2, 144902290), (4, 72451145), (5, 57960916), (10, 28980458), (13, 22292660), (20, 14490229), (26, 11146330), (52, 5573165), (65, 4458532), (130, 2229266), (169, 1714820), (179, 1619020), (260, 1114633), (338, 857410), (358, 809510), (479, 605020), (676, 428705), (716, 404755), (845, 342964), (895, 323804), (958, 302510), (1690, 171482), (1790, 161902), (1916, 151255), (2327, 124540), (2395, 121004), (3380, 85741), (3580, 80951), (4654, 62270), (4790, 60502), (6227, 46540), (9308, 31135), (9580, 30251), (11635, 24908), (12454, 23270)]