220461900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 674956800

約数和(自身を除く): 454494900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 89, 92, 100, 115, 138, 150, 178, 230, 267, 276, 300, 345, 356, 359, 445, 460, 534, 575, 690, 718, 890, 1068, 1077, 1150, 1335, 1380, 1436, 1725, 1780, 1795, 2047, 2154, 2225, 2300, 2670, 3450, 3590, 4094, 4308, 4450, 5340, 5385, 6141, 6675, 6900, 7180, 8188, 8257, 8900, 8975, 10235, 10770, 12282, 13350, 16514, 17950, 20470, 21540, 24564, 24771, 26700, 26925, 30705, 31951, 33028, 35900, 40940, 41285, 49542, 51175, 53850, 61410, 63902, 82570, 95853, 99084, 102350, 107700, 122820, 123855, 127804, 153525, 159755, 165140, 191706, 204700, 206425, 247710, 307050, 319510, 383412, 412850, 479265, 495420, 614100, 619275, 639020, 734873, 798775, 825700, 958530, 1238550, 1469746, 1597550, 1917060, 2204619, 2396325, 2477100, 2939492, 3195100, 3674365, 4409238, 4792650, 7348730, 8818476, 9585300, 11023095, 14697460, 18371825, 22046190, 36743650, 44092380, 55115475, 73487300, 110230950, 220461900]

約数ペア:

[(1, 220461900), (2, 110230950), (3, 73487300), (4, 55115475), (5, 44092380), (6, 36743650), (10, 22046190), (12, 18371825), (15, 14697460), (20, 11023095), (23, 9585300), (25, 8818476), (30, 7348730), (46, 4792650), (50, 4409238), (60, 3674365), (69, 3195100), (75, 2939492), (89, 2477100), (92, 2396325), (100, 2204619), (115, 1917060), (138, 1597550), (150, 1469746), (178, 1238550), (230, 958530), (267, 825700), (276, 798775), (300, 734873), (345, 639020), (356, 619275), (359, 614100), (445, 495420), (460, 479265), (534, 412850), (575, 383412), (690, 319510), (718, 307050), (890, 247710), (1068, 206425), (1077, 204700), (1150, 191706), (1335, 165140), (1380, 159755), (1436, 153525), (1725, 127804), (1780, 123855), (1795, 122820), (2047, 107700), (2154, 102350), (2225, 99084), (2300, 95853), (2670, 82570), (3450, 63902), (3590, 61410), (4094, 53850), (4308, 51175), (4450, 49542), (5340, 41285), (5385, 40940), (6141, 35900), (6675, 33028), (6900, 31951), (7180, 30705), (8188, 26925), (8257, 26700), (8900, 24771), (8975, 24564), (10235, 21540), (10770, 20470), (12282, 17950), (13350, 16514)]