242795860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 525716352

約数和(自身を除く): 282920492

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1420, 2803, 4331, 5606, 8662, 11212, 14015, 17324, 21655, 28030, 43310, 56060, 86620, 170983, 199013, 341966, 398026, 683932, 796052, 854915, 995065, 1709830, 1990130, 3419660, 3980260, 12139793, 24279586, 48559172, 60698965, 121397930, 242795860]

約数ペア:

[(1, 242795860), (2, 121397930), (4, 60698965), (5, 48559172), (10, 24279586), (20, 12139793), (61, 3980260), (71, 3419660), (122, 1990130), (142, 1709830), (244, 995065), (284, 854915), (305, 796052), (355, 683932), (610, 398026), (710, 341966), (1220, 199013), (1420, 170983), (2803, 86620), (4331, 56060), (5606, 43310), (8662, 28030), (11212, 21655), (14015, 17324)]