8855900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 20832000

約数和(自身を除く): 11976100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 79, 95, 100, 118, 158, 190, 236, 295, 316, 380, 395, 475, 590, 790, 950, 1121, 1180, 1475, 1501, 1580, 1900, 1975, 2242, 2950, 3002, 3950, 4484, 4661, 5605, 5900, 6004, 7505, 7900, 9322, 11210, 15010, 18644, 22420, 23305, 28025, 30020, 37525, 46610, 56050, 75050, 88559, 93220, 112100, 116525, 150100, 177118, 233050, 354236, 442795, 466100, 885590, 1771180, 2213975, 4427950, 8855900]

約数ペア:

[(1, 8855900), (2, 4427950), (4, 2213975), (5, 1771180), (10, 885590), (19, 466100), (20, 442795), (25, 354236), (38, 233050), (50, 177118), (59, 150100), (76, 116525), (79, 112100), (95, 93220), (100, 88559), (118, 75050), (158, 56050), (190, 46610), (236, 37525), (295, 30020), (316, 28025), (380, 23305), (395, 22420), (475, 18644), (590, 15010), (790, 11210), (950, 9322), (1121, 7900), (1180, 7505), (1475, 6004), (1501, 5900), (1580, 5605), (1900, 4661), (1975, 4484), (2242, 3950), (2950, 3002)]