1187888900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{26339}}^1$

素因数の和:26405

約数の個数: 72

約数和(自身を含む): 2880753120

約数和(自身を除く): 1692864220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 4100, 4510, 9020, 11275, 22550, 26339, 45100, 52678, 105356, 131695, 263390, 289729, 526780, 579458, 658475, 1079899, 1158916, 1316950, 1448645, 2159798, 2633900, 2897290, 4319596, 5399495, 5794580, 7243225, 10798990, 11878889, 14486450, 21597980, 23757778, 26997475, 28972900, 47515556, 53994950, 59394445, 107989900, 118788890, 237577780, 296972225, 593944450, 1187888900]

約数ペア:

[(1, 1187888900), (2, 593944450), (4, 296972225), (5, 237577780), (10, 118788890), (11, 107989900), (20, 59394445), (22, 53994950), (25, 47515556), (41, 28972900), (44, 26997475), (50, 23757778), (55, 21597980), (82, 14486450), (100, 11878889), (110, 10798990), (164, 7243225), (205, 5794580), (220, 5399495), (275, 4319596), (410, 2897290), (451, 2633900), (550, 2159798), (820, 1448645), (902, 1316950), (1025, 1158916), (1100, 1079899), (1804, 658475), (2050, 579458), (2255, 526780), (4100, 289729), (4510, 263390), (9020, 131695), (11275, 105356), (22550, 52678), (26339, 45100)]