28949820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2789}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 81557280

約数和(自身を除く): 52607460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2076, 2595, 2789, 3460, 5190, 5578, 8367, 10380, 11156, 13945, 16734, 27890, 33468, 41835, 55780, 83670, 167340, 482497, 964994, 1447491, 1929988, 2412485, 2894982, 4824970, 5789964, 7237455, 9649940, 14474910, 28949820]

約数ペア:

[(1, 28949820), (2, 14474910), (3, 9649940), (4, 7237455), (5, 5789964), (6, 4824970), (10, 2894982), (12, 2412485), (15, 1929988), (20, 1447491), (30, 964994), (60, 482497), (173, 167340), (346, 83670), (519, 55780), (692, 41835), (865, 33468), (1038, 27890), (1730, 16734), (2076, 13945), (2595, 11156), (2789, 10380), (3460, 8367), (5190, 5578)]