1883320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2393480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 239, 394, 478, 788, 956, 985, 1195, 1576, 1912, 1970, 2390, 3940, 4780, 7880, 9560, 47083, 94166, 188332, 235415, 376664, 470830, 941660, 1883320]

約数ペア:

[(1, 1883320), (2, 941660), (4, 470830), (5, 376664), (8, 235415), (10, 188332), (20, 94166), (40, 47083), (197, 9560), (239, 7880), (394, 4780), (478, 3940), (788, 2390), (956, 1970), (985, 1912), (1195, 1576)]