215129220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210911}}^1$

素因数の和:210940

約数の個数: 48

約数和(自身を含む): 637797888

約数和(自身を除く): 422668668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 210911, 421822, 632733, 843644, 1054555, 1265466, 2109110, 2530932, 3163665, 3585487, 4218220, 6327330, 7170974, 10756461, 12654660, 14341948, 17927435, 21512922, 35854870, 43025844, 53782305, 71709740, 107564610, 215129220]

約数ペア:

[(1, 215129220), (2, 107564610), (3, 71709740), (4, 53782305), (5, 43025844), (6, 35854870), (10, 21512922), (12, 17927435), (15, 14341948), (17, 12654660), (20, 10756461), (30, 7170974), (34, 6327330), (51, 4218220), (60, 3585487), (68, 3163665), (85, 2530932), (102, 2109110), (170, 1265466), (204, 1054555), (255, 843644), (340, 632733), (510, 421822), (1020, 210911)]