99877120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 279030528

約数和(自身を除く): 179153408

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, 560, 568, 628, 640, 710, 785, 896, 994, 1099, 1120, 1136, 1256, 1280, 1420, 1570, 1792, 1988, 2198, 2240, 2272, 2485, 2512, 2840, 3140, 3976, 4396, 4480, 4544, 4970, 5024, 5495, 5680, 6280, 7952, 8792, 8960, 9088, 9940, 10048, 10990, 11147, 11360, 12560, 15904, 17584, 18176, 19880, 20096, 21980, 22294, 22720, 25120, 31808, 35168, 39760, 40192, 43960, 44588, 45440, 50240, 55735, 63616, 70336, 78029, 79520, 87920, 89176, 90880, 100480, 111470, 127232, 140672, 156058, 159040, 175840, 178352, 200960, 222940, 281344, 312116, 318080, 351680, 356704, 390145, 445880, 624232, 636160, 703360, 713408, 780290, 891760, 1248464, 1406720, 1426816, 1560580, 1783520, 2496928, 2853632, 3121160, 3567040, 4993856, 6242320, 7134080, 9987712, 12484640, 14268160, 19975424, 24969280, 49938560, 99877120]

約数ペア:

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