28499250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 79672320

約数和(自身を除く): 51173070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 37, 39, 50, 65, 74, 75, 78, 79, 111, 125, 130, 150, 158, 185, 195, 222, 237, 250, 325, 370, 375, 390, 395, 474, 481, 555, 650, 750, 790, 925, 962, 975, 1027, 1110, 1185, 1443, 1625, 1850, 1950, 1975, 2054, 2370, 2405, 2775, 2886, 2923, 3081, 3250, 3950, 4625, 4810, 4875, 5135, 5550, 5846, 5925, 6162, 7215, 8769, 9250, 9750, 9875, 10270, 11850, 12025, 13875, 14430, 14615, 15405, 17538, 19750, 24050, 25675, 27750, 29230, 29625, 30810, 36075, 37999, 43845, 51350, 59250, 60125, 72150, 73075, 75998, 77025, 87690, 113997, 120250, 128375, 146150, 154050, 180375, 189995, 219225, 227994, 256750, 360750, 365375, 379990, 385125, 438450, 569985, 730750, 770250, 949975, 1096125, 1139970, 1899950, 2192250, 2849925, 4749875, 5699850, 9499750, 14249625, 28499250]

約数ペア:

[(1, 28499250), (2, 14249625), (3, 9499750), (5, 5699850), (6, 4749875), (10, 2849925), (13, 2192250), (15, 1899950), (25, 1139970), (26, 1096125), (30, 949975), (37, 770250), (39, 730750), (50, 569985), (65, 438450), (74, 385125), (75, 379990), (78, 365375), (79, 360750), (111, 256750), (125, 227994), (130, 219225), (150, 189995), (158, 180375), (185, 154050), (195, 146150), (222, 128375), (237, 120250), (250, 113997), (325, 87690), (370, 77025), (375, 75998), (390, 73075), (395, 72150), (474, 60125), (481, 59250), (555, 51350), (650, 43845), (750, 37999), (790, 36075), (925, 30810), (962, 29625), (975, 29230), (1027, 27750), (1110, 25675), (1185, 24050), (1443, 19750), (1625, 17538), (1850, 15405), (1950, 14615), (1975, 14430), (2054, 13875), (2370, 12025), (2405, 11850), (2775, 10270), (2886, 9875), (2923, 9750), (3081, 9250), (3250, 8769), (3950, 7215), (4625, 6162), (4810, 5925), (4875, 5846), (5135, 5550)]