199754240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 160

約数和(自身を含む): 558607104

約数和(自身を除く): 358852864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 157, 160, 224, 256, 280, 284, 314, 320, 355, 448, 497, 512, 560, 568, 628, 640, 710, 785, 896, 994, 1099, 1120, 1136, 1256, 1280, 1420, 1570, 1792, 1988, 2198, 2240, 2272, 2485, 2512, 2560, 2840, 3140, 3584, 3976, 4396, 4480, 4544, 4970, 5024, 5495, 5680, 6280, 7952, 8792, 8960, 9088, 9940, 10048, 10990, 11147, 11360, 12560, 15904, 17584, 17920, 18176, 19880, 20096, 21980, 22294, 22720, 25120, 31808, 35168, 36352, 39760, 40192, 43960, 44588, 45440, 50240, 55735, 63616, 70336, 78029, 79520, 80384, 87920, 89176, 90880, 100480, 111470, 127232, 140672, 156058, 159040, 175840, 178352, 181760, 200960, 222940, 254464, 281344, 312116, 318080, 351680, 356704, 390145, 401920, 445880, 562688, 624232, 636160, 703360, 713408, 780290, 891760, 1248464, 1272320, 1406720, 1426816, 1560580, 1783520, 2496928, 2813440, 2853632, 3121160, 3567040, 4993856, 5707264, 6242320, 7134080, 9987712, 12484640, 14268160, 19975424, 24969280, 28536320, 39950848, 49938560, 99877120, 199754240]

約数ペア:

[(1, 199754240), (2, 99877120), (4, 49938560), (5, 39950848), (7, 28536320), (8, 24969280), (10, 19975424), (14, 14268160), (16, 12484640), (20, 9987712), (28, 7134080), (32, 6242320), (35, 5707264), (40, 4993856), (56, 3567040), (64, 3121160), (70, 2853632), (71, 2813440), (80, 2496928), (112, 1783520), (128, 1560580), (140, 1426816), (142, 1406720), (157, 1272320), (160, 1248464), (224, 891760), (256, 780290), (280, 713408), (284, 703360), (314, 636160), (320, 624232), (355, 562688), (448, 445880), (497, 401920), (512, 390145), (560, 356704), (568, 351680), (628, 318080), (640, 312116), (710, 281344), (785, 254464), (896, 222940), (994, 200960), (1099, 181760), (1120, 178352), (1136, 175840), (1256, 159040), (1280, 156058), (1420, 140672), (1570, 127232), (1792, 111470), (1988, 100480), (2198, 90880), (2240, 89176), (2272, 87920), (2485, 80384), (2512, 79520), (2560, 78029), (2840, 70336), (3140, 63616), (3584, 55735), (3976, 50240), (4396, 45440), (4480, 44588), (4544, 43960), (4970, 40192), (5024, 39760), (5495, 36352), (5680, 35168), (6280, 31808), (7952, 25120), (8792, 22720), (8960, 22294), (9088, 21980), (9940, 20096), (10048, 19880), (10990, 18176), (11147, 17920), (11360, 17584), (12560, 15904)]