12811700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 31977120

約数和(自身を除く): 19165420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 613, 836, 950, 1045, 1100, 1226, 1900, 2090, 2452, 3065, 4180, 5225, 6130, 6743, 10450, 11647, 12260, 13486, 15325, 20900, 23294, 26972, 30650, 33715, 46588, 58235, 61300, 67430, 116470, 128117, 134860, 168575, 232940, 256234, 291175, 337150, 512468, 582350, 640585, 674300, 1164700, 1281170, 2562340, 3202925, 6405850, 12811700]

約数ペア:

[(1, 12811700), (2, 6405850), (4, 3202925), (5, 2562340), (10, 1281170), (11, 1164700), (19, 674300), (20, 640585), (22, 582350), (25, 512468), (38, 337150), (44, 291175), (50, 256234), (55, 232940), (76, 168575), (95, 134860), (100, 128117), (110, 116470), (190, 67430), (209, 61300), (220, 58235), (275, 46588), (380, 33715), (418, 30650), (475, 26972), (550, 23294), (613, 20900), (836, 15325), (950, 13486), (1045, 12260), (1100, 11647), (1226, 10450), (1900, 6743), (2090, 6130), (2452, 5225), (3065, 4180)]