201209100500

素因数分解:

$2^2\times 5^3\times {\mathrm{2699}}^1\times {\mathrm{149099}}^1$

素因数の和:151817

約数の個数: 48

約数和(自身を含む): 439606440000

約数和(自身を除く): 238397339500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 2699, 5398, 10796, 13495, 26990, 53980, 67475, 134950, 149099, 269900, 298198, 337375, 596396, 674750, 745495, 1349500, 1490990, 2981980, 3727475, 7454950, 14909900, 18637375, 37274750, 74549500, 402418201, 804836402, 1609672804, 2012091005, 4024182010, 8048364020, 10060455025, 20120910050, 40241820100, 50302275125, 100604550250, 201209100500]

約数ペア:

[(1, 201209100500), (2, 100604550250), (4, 50302275125), (5, 40241820100), (10, 20120910050), (20, 10060455025), (25, 8048364020), (50, 4024182010), (100, 2012091005), (125, 1609672804), (250, 804836402), (500, 402418201), (2699, 74549500), (5398, 37274750), (10796, 18637375), (13495, 14909900), (26990, 7454950), (53980, 3727475), (67475, 2981980), (134950, 1490990), (149099, 1349500), (269900, 745495), (298198, 674750), (337375, 596396)]