201978010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18719}}^1$

素因数の和:18822

約数の個数: 32

約数和(自身を含む): 396264960

約数和(自身を除く): 194286950

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 10790, 18719, 37438, 93595, 187190, 243347, 486694, 1216735, 1553677, 2433470, 3107354, 7768385, 15536770, 20197801, 40395602, 100989005, 201978010]

約数ペア:

[(1, 201978010), (2, 100989005), (5, 40395602), (10, 20197801), (13, 15536770), (26, 7768385), (65, 3107354), (83, 2433470), (130, 1553677), (166, 1216735), (415, 486694), (830, 243347), (1079, 187190), (2158, 93595), (5395, 37438), (10790, 18719)]