98897320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 129717080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 97, 142, 194, 284, 355, 359, 388, 485, 568, 710, 718, 776, 970, 1420, 1436, 1795, 1940, 2840, 2872, 3590, 3880, 6887, 7180, 13774, 14360, 25489, 27548, 34435, 34823, 50978, 55096, 68870, 69646, 101956, 127445, 137740, 139292, 174115, 203912, 254890, 275480, 278584, 348230, 509780, 696460, 1019560, 1392920, 2472433, 4944866, 9889732, 12362165, 19779464, 24724330, 49448660, 98897320]

約数ペア:

[(1, 98897320), (2, 49448660), (4, 24724330), (5, 19779464), (8, 12362165), (10, 9889732), (20, 4944866), (40, 2472433), (71, 1392920), (97, 1019560), (142, 696460), (194, 509780), (284, 348230), (355, 278584), (359, 275480), (388, 254890), (485, 203912), (568, 174115), (710, 139292), (718, 137740), (776, 127445), (970, 101956), (1420, 69646), (1436, 68870), (1795, 55096), (1940, 50978), (2840, 34823), (2872, 34435), (3590, 27548), (3880, 25489), (6887, 14360), (7180, 13774)]