201889090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1883

約数の個数: 48

約数和(自身を含む): 399601728

約数和(自身を除く): 197712638

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 335, 338, 670, 845, 871, 1690, 1742, 1783, 3566, 4355, 8710, 8915, 11323, 17830, 22646, 23179, 46358, 56615, 113230, 115895, 119461, 231790, 238922, 301327, 597305, 602654, 1194610, 1506635, 1552993, 3013270, 3105986, 7764965, 15529930, 20188909, 40377818, 100944545, 201889090]

約数ペア:

[(1, 201889090), (2, 100944545), (5, 40377818), (10, 20188909), (13, 15529930), (26, 7764965), (65, 3105986), (67, 3013270), (130, 1552993), (134, 1506635), (169, 1194610), (335, 602654), (338, 597305), (670, 301327), (845, 238922), (871, 231790), (1690, 119461), (1742, 115895), (1783, 113230), (3566, 56615), (4355, 46358), (8710, 23179), (8915, 22646), (11323, 17830)]