1997690050

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 3748867200

約数和(自身を除く): 1751177150

約数列:

[1, 2, 5, 10, 25, 50, 271, 379, 389, 542, 758, 778, 1355, 1895, 1945, 2710, 3790, 3890, 6775, 9475, 9725, 13550, 18950, 19450, 102709, 105419, 147431, 205418, 210838, 294862, 513545, 527095, 737155, 1027090, 1054190, 1474310, 2567725, 2635475, 3685775, 5135450, 5270950, 7371550, 39953801, 79907602, 199769005, 399538010, 998845025, 1997690050]

約数ペア:

[(1, 1997690050), (2, 998845025), (5, 399538010), (10, 199769005), (25, 79907602), (50, 39953801), (271, 7371550), (379, 5270950), (389, 5135450), (542, 3685775), (758, 2635475), (778, 2567725), (1355, 1474310), (1895, 1054190), (1945, 1027090), (2710, 737155), (3790, 527095), (3890, 513545), (6775, 294862), (9475, 210838), (9725, 205418), (13550, 147431), (18950, 105419), (19450, 102709)]