42204800

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 115650150

約数和(自身を除く): 73445350

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 109, 110, 121, 128, 160, 176, 200, 218, 220, 242, 275, 320, 352, 400, 436, 440, 484, 545, 550, 605, 640, 704, 800, 872, 880, 968, 1090, 1100, 1199, 1210, 1408, 1600, 1744, 1760, 1936, 2180, 2200, 2398, 2420, 2725, 3025, 3200, 3488, 3520, 3872, 4360, 4400, 4796, 4840, 5450, 5995, 6050, 6976, 7040, 7744, 8720, 8800, 9592, 9680, 10900, 11990, 12100, 13189, 13952, 15488, 17440, 17600, 19184, 19360, 21800, 23980, 24200, 26378, 29975, 34880, 35200, 38368, 38720, 43600, 47960, 48400, 52756, 59950, 65945, 69760, 76736, 77440, 87200, 95920, 96800, 105512, 119900, 131890, 153472, 174400, 191840, 193600, 211024, 239800, 263780, 329725, 348800, 383680, 387200, 422048, 479600, 527560, 659450, 767360, 844096, 959200, 1055120, 1318900, 1688192, 1918400, 2110240, 2637800, 3836800, 4220480, 5275600, 8440960, 10551200, 21102400, 42204800]

約数ペア:

[(1, 42204800), (2, 21102400), (4, 10551200), (5, 8440960), (8, 5275600), (10, 4220480), (11, 3836800), (16, 2637800), (20, 2110240), (22, 1918400), (25, 1688192), (32, 1318900), (40, 1055120), (44, 959200), (50, 844096), (55, 767360), (64, 659450), (80, 527560), (88, 479600), (100, 422048), (109, 387200), (110, 383680), (121, 348800), (128, 329725), (160, 263780), (176, 239800), (200, 211024), (218, 193600), (220, 191840), (242, 174400), (275, 153472), (320, 131890), (352, 119900), (400, 105512), (436, 96800), (440, 95920), (484, 87200), (545, 77440), (550, 76736), (605, 69760), (640, 65945), (704, 59950), (800, 52756), (872, 48400), (880, 47960), (968, 43600), (1090, 38720), (1100, 38368), (1199, 35200), (1210, 34880), (1408, 29975), (1600, 26378), (1744, 24200), (1760, 23980), (1936, 21800), (2180, 19360), (2200, 19184), (2398, 17600), (2420, 17440), (2725, 15488), (3025, 13952), (3200, 13189), (3488, 12100), (3520, 11990), (3872, 10900), (4360, 9680), (4400, 9592), (4796, 8800), (4840, 8720), (5450, 7744), (5995, 7040), (6050, 6976)]