199234520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 476163360

約数和(自身を除く): 276928840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 73, 124, 142, 146, 155, 248, 284, 292, 310, 355, 365, 568, 584, 620, 710, 730, 961, 1240, 1420, 1460, 1922, 2201, 2263, 2840, 2920, 3844, 4402, 4526, 4805, 5183, 7688, 8804, 9052, 9610, 10366, 11005, 11315, 17608, 18104, 19220, 20732, 22010, 22630, 25915, 38440, 41464, 44020, 45260, 51830, 68231, 70153, 88040, 90520, 103660, 136462, 140306, 160673, 207320, 272924, 280612, 321346, 341155, 350765, 545848, 561224, 642692, 682310, 701530, 803365, 1285384, 1364620, 1403060, 1606730, 2729240, 2806120, 3213460, 4980863, 6426920, 9961726, 19923452, 24904315, 39846904, 49808630, 99617260, 199234520]

約数ペア:

[(1, 199234520), (2, 99617260), (4, 49808630), (5, 39846904), (8, 24904315), (10, 19923452), (20, 9961726), (31, 6426920), (40, 4980863), (62, 3213460), (71, 2806120), (73, 2729240), (124, 1606730), (142, 1403060), (146, 1364620), (155, 1285384), (248, 803365), (284, 701530), (292, 682310), (310, 642692), (355, 561224), (365, 545848), (568, 350765), (584, 341155), (620, 321346), (710, 280612), (730, 272924), (961, 207320), (1240, 160673), (1420, 140306), (1460, 136462), (1922, 103660), (2201, 90520), (2263, 88040), (2840, 70153), (2920, 68231), (3844, 51830), (4402, 45260), (4526, 44020), (4805, 41464), (5183, 38440), (7688, 25915), (8804, 22630), (9052, 22010), (9610, 20732), (10366, 19220), (11005, 18104), (11315, 17608)]