200159870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 414720000

約数和(自身を除く): 214560130

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 1999, 2635, 2945, 3230, 3998, 5270, 5890, 9995, 10013, 19990, 20026, 33983, 37981, 50065, 61969, 67966, 75962, 100130, 123938, 169915, 189905, 309845, 339830, 379810, 619690, 645677, 1053473, 1177411, 1291354, 2106946, 2354822, 3228385, 5267365, 5887055, 6456770, 10534730, 11774110, 20015987, 40031974, 100079935, 200159870]

約数ペア:

[(1, 200159870), (2, 100079935), (5, 40031974), (10, 20015987), (17, 11774110), (19, 10534730), (31, 6456770), (34, 5887055), (38, 5267365), (62, 3228385), (85, 2354822), (95, 2106946), (155, 1291354), (170, 1177411), (190, 1053473), (310, 645677), (323, 619690), (527, 379810), (589, 339830), (646, 309845), (1054, 189905), (1178, 169915), (1615, 123938), (1999, 100130), (2635, 75962), (2945, 67966), (3230, 61969), (3998, 50065), (5270, 37981), (5890, 33983), (9995, 20026), (10013, 19990)]