201990513070

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1\times {\mathrm{73553}}^1$

素因数の和:76380

約数の個数: 32

約数和(自身を含む): 367322791680

約数和(自身を除く): 165332278610

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 2719, 5438, 13595, 27190, 73553, 147106, 274619, 367765, 549238, 735530, 1373095, 2746190, 7428853, 14857706, 37144265, 74288530, 199990607, 399981214, 999953035, 1999906070, 20199051307, 40398102614, 100995256535, 201990513070]

約数ペア:

[(1, 201990513070), (2, 100995256535), (5, 40398102614), (10, 20199051307), (101, 1999906070), (202, 999953035), (505, 399981214), (1010, 199990607), (2719, 74288530), (5438, 37144265), (13595, 14857706), (27190, 7428853), (73553, 2746190), (147106, 1373095), (274619, 735530), (367765, 549238)]