121225130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2943

約数の個数: 64

約数和(自身を含む): 261999360

約数和(自身を除く): 140774230

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 2887, 3230, 4199, 5774, 8398, 14435, 20995, 28870, 37531, 41990, 49079, 54853, 75062, 98158, 109706, 187655, 245395, 274265, 375310, 490790, 548530, 638027, 713089, 932501, 1276054, 1426178, 1865002, 3190135, 3565445, 4662505, 6380270, 7130890, 9325010, 12122513, 24245026, 60612565, 121225130]

約数ペア:

[(1, 121225130), (2, 60612565), (5, 24245026), (10, 12122513), (13, 9325010), (17, 7130890), (19, 6380270), (26, 4662505), (34, 3565445), (38, 3190135), (65, 1865002), (85, 1426178), (95, 1276054), (130, 932501), (170, 713089), (190, 638027), (221, 548530), (247, 490790), (323, 375310), (442, 274265), (494, 245395), (646, 187655), (1105, 109706), (1235, 98158), (1615, 75062), (2210, 54853), (2470, 49079), (2887, 41990), (3230, 37531), (4199, 28870), (5774, 20995), (8398, 14435)]