78838540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4909}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 183123360

約数和(自身を除く): 104284820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 4909, 8030, 9818, 16060, 19636, 24545, 49090, 53999, 98180, 107998, 215996, 269995, 358357, 539990, 716714, 1079980, 1433428, 1791785, 3583570, 3941927, 7167140, 7883854, 15767708, 19709635, 39419270, 78838540]

約数ペア:

[(1, 78838540), (2, 39419270), (4, 19709635), (5, 15767708), (10, 7883854), (11, 7167140), (20, 3941927), (22, 3583570), (44, 1791785), (55, 1433428), (73, 1079980), (110, 716714), (146, 539990), (220, 358357), (292, 269995), (365, 215996), (730, 107998), (803, 98180), (1460, 53999), (1606, 49090), (3212, 24545), (4015, 19636), (4909, 16060), (8030, 9818)]