79653220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 171748080

約数和(自身を除く): 92094860

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 613, 730, 890, 1226, 1460, 1780, 2452, 3065, 6130, 6497, 12260, 12994, 25988, 32485, 44749, 54557, 64970, 89498, 109114, 129940, 178996, 218228, 223745, 272785, 447490, 545570, 894980, 1091140, 3982661, 7965322, 15930644, 19913305, 39826610, 79653220]

約数ペア:

[(1, 79653220), (2, 39826610), (4, 19913305), (5, 15930644), (10, 7965322), (20, 3982661), (73, 1091140), (89, 894980), (146, 545570), (178, 447490), (292, 272785), (356, 223745), (365, 218228), (445, 178996), (613, 129940), (730, 109114), (890, 89498), (1226, 64970), (1460, 54557), (1780, 44749), (2452, 32485), (3065, 25988), (6130, 12994), (6497, 12260)]