217939800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27941}}^1$

素因数の和:27973

約数の個数: 96

約数和(自身を含む): 727609680

約数和(自身を除く): 509669880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 27941, 55882, 83823, 111764, 139705, 167646, 223528, 279410, 335292, 363233, 419115, 558820, 670584, 698525, 726466, 838230, 1089699, 1117640, 1397050, 1452932, 1676460, 1816165, 2095575, 2179398, 2794100, 2905864, 3352920, 3632330, 4191150, 4358796, 5448495, 5588200, 7264660, 8382300, 8717592, 9080825, 10896990, 14529320, 16764600, 18161650, 21793980, 27242475, 36323300, 43587960, 54484950, 72646600, 108969900, 217939800]

約数ペア:

[(1, 217939800), (2, 108969900), (3, 72646600), (4, 54484950), (5, 43587960), (6, 36323300), (8, 27242475), (10, 21793980), (12, 18161650), (13, 16764600), (15, 14529320), (20, 10896990), (24, 9080825), (25, 8717592), (26, 8382300), (30, 7264660), (39, 5588200), (40, 5448495), (50, 4358796), (52, 4191150), (60, 3632330), (65, 3352920), (75, 2905864), (78, 2794100), (100, 2179398), (104, 2095575), (120, 1816165), (130, 1676460), (150, 1452932), (156, 1397050), (195, 1117640), (200, 1089699), (260, 838230), (300, 726466), (312, 698525), (325, 670584), (390, 558820), (520, 419115), (600, 363233), (650, 335292), (780, 279410), (975, 223528), (1300, 167646), (1560, 139705), (1950, 111764), (2600, 83823), (3900, 55882), (7800, 27941)]