2019990020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1\times {\mathrm{1847}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 4284403200

約数和(自身を除く): 2264413180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 367, 596, 734, 745, 1468, 1490, 1835, 1847, 2980, 3670, 3694, 7340, 7388, 9235, 18470, 36940, 54683, 109366, 218732, 273415, 275203, 546830, 550406, 677849, 1093660, 1100812, 1355698, 1376015, 2711396, 2752030, 3389245, 5504060, 6778490, 13556980, 100999501, 201999002, 403998004, 504997505, 1009995010, 2019990020]

約数ペア:

[(1, 2019990020), (2, 1009995010), (4, 504997505), (5, 403998004), (10, 201999002), (20, 100999501), (149, 13556980), (298, 6778490), (367, 5504060), (596, 3389245), (734, 2752030), (745, 2711396), (1468, 1376015), (1490, 1355698), (1835, 1100812), (1847, 1093660), (2980, 677849), (3670, 550406), (3694, 546830), (7340, 275203), (7388, 273415), (9235, 218732), (18470, 109366), (36940, 54683)]