2149337560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{4643}}^1$

素因数の和:4888

約数の個数: 64

約数和(自身を含む): 4935271680

約数和(自身を除く): 2785934120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 568, 652, 710, 815, 1304, 1420, 1630, 2840, 3260, 4643, 6520, 9286, 11573, 18572, 23146, 23215, 37144, 46292, 46430, 57865, 92584, 92860, 115730, 185720, 231460, 329653, 462920, 659306, 756809, 1318612, 1513618, 1648265, 2637224, 3027236, 3296530, 3784045, 6054472, 6593060, 7568090, 13186120, 15136180, 30272360, 53733439, 107466878, 214933756, 268667195, 429867512, 537334390, 1074668780, 2149337560]

約数ペア:

[(1, 2149337560), (2, 1074668780), (4, 537334390), (5, 429867512), (8, 268667195), (10, 214933756), (20, 107466878), (40, 53733439), (71, 30272360), (142, 15136180), (163, 13186120), (284, 7568090), (326, 6593060), (355, 6054472), (568, 3784045), (652, 3296530), (710, 3027236), (815, 2637224), (1304, 1648265), (1420, 1513618), (1630, 1318612), (2840, 756809), (3260, 659306), (4643, 462920), (6520, 329653), (9286, 231460), (11573, 185720), (18572, 115730), (23146, 92860), (23215, 92584), (37144, 57865), (46292, 46430)]