22275980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 51715440

約数和(自身を除く): 29439460

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 61, 62, 76, 95, 122, 124, 155, 190, 244, 305, 310, 380, 589, 610, 620, 961, 1159, 1178, 1220, 1891, 1922, 2318, 2356, 2945, 3782, 3844, 4636, 4805, 5795, 5890, 7564, 9455, 9610, 11590, 11780, 18259, 18910, 19220, 23180, 35929, 36518, 37820, 58621, 71858, 73036, 91295, 117242, 143716, 179645, 182590, 234484, 293105, 359290, 365180, 586210, 718580, 1113799, 1172420, 2227598, 4455196, 5568995, 11137990, 22275980]

約数ペア:

[(1, 22275980), (2, 11137990), (4, 5568995), (5, 4455196), (10, 2227598), (19, 1172420), (20, 1113799), (31, 718580), (38, 586210), (61, 365180), (62, 359290), (76, 293105), (95, 234484), (122, 182590), (124, 179645), (155, 143716), (190, 117242), (244, 91295), (305, 73036), (310, 71858), (380, 58621), (589, 37820), (610, 36518), (620, 35929), (961, 23180), (1159, 19220), (1178, 18910), (1220, 18259), (1891, 11780), (1922, 11590), (2318, 9610), (2356, 9455), (2945, 7564), (3782, 5890), (3844, 5795), (4636, 4805)]