217309520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 533537280

約数和(自身を除く): 316227760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1327, 1424, 1780, 1840, 2047, 2654, 3560, 4094, 5308, 6635, 7120, 8188, 10235, 10616, 13270, 16376, 20470, 21232, 26540, 30521, 32752, 40940, 53080, 61042, 81880, 106160, 118103, 122084, 152605, 163760, 236206, 244168, 305210, 472412, 488336, 590515, 610420, 944824, 1181030, 1220840, 1889648, 2362060, 2441680, 2716369, 4724120, 5432738, 9448240, 10865476, 13581845, 21730952, 27163690, 43461904, 54327380, 108654760, 217309520]

約数ペア:

[(1, 217309520), (2, 108654760), (4, 54327380), (5, 43461904), (8, 27163690), (10, 21730952), (16, 13581845), (20, 10865476), (23, 9448240), (40, 5432738), (46, 4724120), (80, 2716369), (89, 2441680), (92, 2362060), (115, 1889648), (178, 1220840), (184, 1181030), (230, 944824), (356, 610420), (368, 590515), (445, 488336), (460, 472412), (712, 305210), (890, 244168), (920, 236206), (1327, 163760), (1424, 152605), (1780, 122084), (1840, 118103), (2047, 106160), (2654, 81880), (3560, 61042), (4094, 53080), (5308, 40940), (6635, 32752), (7120, 30521), (8188, 26540), (10235, 21232), (10616, 20470), (13270, 16376)]