221446960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5417}}^1$

素因数の和:5510

約数の個数: 80

約数和(自身を含む): 596586816

約数和(自身を除く): 375139856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5417, 5840, 8176, 10220, 10834, 20440, 21668, 27085, 37919, 40880, 43336, 54170, 75838, 86672, 108340, 151676, 189595, 216680, 303352, 379190, 395441, 433360, 606704, 758380, 790882, 1516760, 1581764, 1977205, 2768087, 3033520, 3163528, 3954410, 5536174, 6327056, 7908820, 11072348, 13840435, 15817640, 22144696, 27680870, 31635280, 44289392, 55361740, 110723480, 221446960]

約数ペア:

[(1, 221446960), (2, 110723480), (4, 55361740), (5, 44289392), (7, 31635280), (8, 27680870), (10, 22144696), (14, 15817640), (16, 13840435), (20, 11072348), (28, 7908820), (35, 6327056), (40, 5536174), (56, 3954410), (70, 3163528), (73, 3033520), (80, 2768087), (112, 1977205), (140, 1581764), (146, 1516760), (280, 790882), (292, 758380), (365, 606704), (511, 433360), (560, 395441), (584, 379190), (730, 303352), (1022, 216680), (1168, 189595), (1460, 151676), (2044, 108340), (2555, 86672), (2920, 75838), (4088, 54170), (5110, 43336), (5417, 40880), (5840, 37919), (8176, 27085), (10220, 21668), (10834, 20440)]