199649920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 511142400

約数和(自身を除く): 311492480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 290, 310, 320, 347, 464, 496, 580, 620, 640, 694, 899, 928, 992, 1160, 1240, 1388, 1735, 1798, 1856, 1984, 2320, 2480, 2776, 3470, 3596, 3712, 3968, 4495, 4640, 4960, 5552, 6940, 7192, 8990, 9280, 9920, 10063, 10757, 11104, 13880, 14384, 17980, 18560, 19840, 20126, 21514, 22208, 27760, 28768, 35960, 40252, 43028, 44416, 50315, 53785, 55520, 57536, 71920, 80504, 86056, 100630, 107570, 111040, 115072, 143840, 161008, 172112, 201260, 215140, 222080, 287680, 311953, 322016, 344224, 402520, 430280, 575360, 623906, 644032, 688448, 805040, 860560, 1247812, 1288064, 1376896, 1559765, 1610080, 1721120, 2495624, 3119530, 3220160, 3442240, 4991248, 6239060, 6440320, 6884480, 9982496, 12478120, 19964992, 24956240, 39929984, 49912480, 99824960, 199649920]

約数ペア:

[(1, 199649920), (2, 99824960), (4, 49912480), (5, 39929984), (8, 24956240), (10, 19964992), (16, 12478120), (20, 9982496), (29, 6884480), (31, 6440320), (32, 6239060), (40, 4991248), (58, 3442240), (62, 3220160), (64, 3119530), (80, 2495624), (116, 1721120), (124, 1610080), (128, 1559765), (145, 1376896), (155, 1288064), (160, 1247812), (232, 860560), (248, 805040), (290, 688448), (310, 644032), (320, 623906), (347, 575360), (464, 430280), (496, 402520), (580, 344224), (620, 322016), (640, 311953), (694, 287680), (899, 222080), (928, 215140), (992, 201260), (1160, 172112), (1240, 161008), (1388, 143840), (1735, 115072), (1798, 111040), (1856, 107570), (1984, 100630), (2320, 86056), (2480, 80504), (2776, 71920), (3470, 57536), (3596, 55520), (3712, 53785), (3968, 50315), (4495, 44416), (4640, 43028), (4960, 40252), (5552, 35960), (6940, 28768), (7192, 27760), (8990, 22208), (9280, 21514), (9920, 20126), (10063, 19840), (10757, 18560), (11104, 17980), (13880, 14384)]