121691830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 246758400

約数和(自身を除く): 125066570

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 191, 290, 338, 377, 382, 754, 845, 955, 1690, 1885, 1910, 2197, 2483, 3770, 4394, 4901, 4966, 5539, 9802, 10985, 11078, 12415, 21970, 24505, 24830, 27695, 32279, 49010, 55390, 63713, 64558, 72007, 127426, 144014, 161395, 318565, 322790, 360035, 419627, 637130, 720070, 839254, 936091, 1872182, 2098135, 4196270, 4680455, 9360910, 12169183, 24338366, 60845915, 121691830]

約数ペア:

[(1, 121691830), (2, 60845915), (5, 24338366), (10, 12169183), (13, 9360910), (26, 4680455), (29, 4196270), (58, 2098135), (65, 1872182), (130, 936091), (145, 839254), (169, 720070), (191, 637130), (290, 419627), (338, 360035), (377, 322790), (382, 318565), (754, 161395), (845, 144014), (955, 127426), (1690, 72007), (1885, 64558), (1910, 63713), (2197, 55390), (2483, 49010), (3770, 32279), (4394, 27695), (4901, 24830), (4966, 24505), (5539, 21970), (9802, 12415), (10985, 11078)]