201472220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 429770880

約数和(自身を除く): 228298660

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 239, 373, 452, 478, 565, 746, 956, 1130, 1195, 1492, 1865, 2260, 2390, 3730, 4780, 7460, 27007, 42149, 54014, 84298, 89147, 108028, 135035, 168596, 178294, 210745, 270070, 356588, 421490, 445735, 540140, 842980, 891470, 1782940, 10073611, 20147222, 40294444, 50368055, 100736110, 201472220]

約数ペア:

[(1, 201472220), (2, 100736110), (4, 50368055), (5, 40294444), (10, 20147222), (20, 10073611), (113, 1782940), (226, 891470), (239, 842980), (373, 540140), (452, 445735), (478, 421490), (565, 356588), (746, 270070), (956, 210745), (1130, 178294), (1195, 168596), (1492, 135035), (1865, 108028), (2260, 89147), (2390, 84298), (3730, 54014), (4780, 42149), (7460, 27007)]