986793950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1613

約数の個数: 48

約数和(自身を含む): 1874411280

約数和(自身を除く): 887617330

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 251, 305, 502, 610, 1255, 1289, 1525, 2510, 2578, 3050, 6275, 6445, 12550, 12890, 15311, 30622, 32225, 64450, 76555, 78629, 153110, 157258, 323539, 382775, 393145, 647078, 765550, 786290, 1617695, 1965725, 3235390, 3931450, 8088475, 16176950, 19735879, 39471758, 98679395, 197358790, 493396975, 986793950]

約数ペア:

[(1, 986793950), (2, 493396975), (5, 197358790), (10, 98679395), (25, 39471758), (50, 19735879), (61, 16176950), (122, 8088475), (251, 3931450), (305, 3235390), (502, 1965725), (610, 1617695), (1255, 786290), (1289, 765550), (1525, 647078), (2510, 393145), (2578, 382775), (3050, 323539), (6275, 157258), (6445, 153110), (12550, 78629), (12890, 76555), (15311, 64450), (30622, 32225)]