128657170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 259200000

約数和(自身を除く): 130542830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 59, 95, 115, 118, 190, 230, 295, 437, 499, 590, 874, 998, 1121, 1357, 2185, 2242, 2495, 2714, 4370, 4990, 5605, 6785, 9481, 11210, 11477, 13570, 18962, 22954, 25783, 29441, 47405, 51566, 57385, 58882, 94810, 114770, 128915, 147205, 218063, 257830, 294410, 436126, 559379, 677143, 1090315, 1118758, 1354286, 2180630, 2796895, 3385715, 5593790, 6771430, 12865717, 25731434, 64328585, 128657170]

約数ペア:

[(1, 128657170), (2, 64328585), (5, 25731434), (10, 12865717), (19, 6771430), (23, 5593790), (38, 3385715), (46, 2796895), (59, 2180630), (95, 1354286), (115, 1118758), (118, 1090315), (190, 677143), (230, 559379), (295, 436126), (437, 294410), (499, 257830), (590, 218063), (874, 147205), (998, 128915), (1121, 114770), (1357, 94810), (2185, 58882), (2242, 57385), (2495, 51566), (2714, 47405), (4370, 29441), (4990, 25783), (5605, 22954), (6785, 18962), (9481, 13570), (11210, 11477)]