217830800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 120

約数和(自身を含む): 589700352

約数和(自身を除く): 371869552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 620, 682, 775, 880, 1100, 1240, 1364, 1550, 1597, 1705, 2200, 2480, 2728, 3100, 3194, 3410, 4400, 5456, 6200, 6388, 6820, 7985, 8525, 12400, 12776, 13640, 15970, 17050, 17567, 25552, 27280, 31940, 34100, 35134, 39925, 49507, 63880, 68200, 70268, 79850, 87835, 99014, 127760, 136400, 140536, 159700, 175670, 198028, 247535, 281072, 319400, 351340, 396056, 439175, 495070, 544577, 638800, 702680, 792112, 878350, 990140, 1089154, 1237675, 1405360, 1756700, 1980280, 2178308, 2475350, 2722885, 3513400, 3960560, 4356616, 4950700, 5445770, 7026800, 8713232, 9901400, 10891540, 13614425, 19802800, 21783080, 27228850, 43566160, 54457700, 108915400, 217830800]

約数ペア:

[(1, 217830800), (2, 108915400), (4, 54457700), (5, 43566160), (8, 27228850), (10, 21783080), (11, 19802800), (16, 13614425), (20, 10891540), (22, 9901400), (25, 8713232), (31, 7026800), (40, 5445770), (44, 4950700), (50, 4356616), (55, 3960560), (62, 3513400), (80, 2722885), (88, 2475350), (100, 2178308), (110, 1980280), (124, 1756700), (155, 1405360), (176, 1237675), (200, 1089154), (220, 990140), (248, 878350), (275, 792112), (310, 702680), (341, 638800), (400, 544577), (440, 495070), (496, 439175), (550, 396056), (620, 351340), (682, 319400), (775, 281072), (880, 247535), (1100, 198028), (1240, 175670), (1364, 159700), (1550, 140536), (1597, 136400), (1705, 127760), (2200, 99014), (2480, 87835), (2728, 79850), (3100, 70268), (3194, 68200), (3410, 63880), (4400, 49507), (5456, 39925), (6200, 35134), (6388, 34100), (6820, 31940), (7985, 27280), (8525, 25552), (12400, 17567), (12776, 17050), (13640, 15970)]