239665280

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 610470000

約数和(自身を除く): 370804720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 160, 185, 232, 290, 296, 320, 349, 370, 464, 580, 592, 640, 698, 740, 928, 1073, 1160, 1184, 1396, 1480, 1745, 1856, 2146, 2320, 2368, 2792, 2960, 3490, 3712, 4292, 4640, 4736, 5365, 5584, 5920, 6980, 8584, 9280, 10121, 10730, 11168, 11840, 12913, 13960, 17168, 18560, 20242, 21460, 22336, 23680, 25826, 27920, 34336, 40484, 42920, 44672, 50605, 51652, 55840, 64565, 68672, 80968, 85840, 101210, 103304, 111680, 129130, 137344, 161936, 171680, 202420, 206608, 223360, 258260, 323872, 343360, 374477, 404840, 413216, 516520, 647744, 686720, 748954, 809680, 826432, 1033040, 1295488, 1497908, 1619360, 1652864, 1872385, 2066080, 2995816, 3238720, 3744770, 4132160, 5991632, 6477440, 7489540, 8264320, 11983264, 14979080, 23966528, 29958160, 47933056, 59916320, 119832640, 239665280]

約数ペア:

[(1, 239665280), (2, 119832640), (4, 59916320), (5, 47933056), (8, 29958160), (10, 23966528), (16, 14979080), (20, 11983264), (29, 8264320), (32, 7489540), (37, 6477440), (40, 5991632), (58, 4132160), (64, 3744770), (74, 3238720), (80, 2995816), (116, 2066080), (128, 1872385), (145, 1652864), (148, 1619360), (160, 1497908), (185, 1295488), (232, 1033040), (290, 826432), (296, 809680), (320, 748954), (349, 686720), (370, 647744), (464, 516520), (580, 413216), (592, 404840), (640, 374477), (698, 343360), (740, 323872), (928, 258260), (1073, 223360), (1160, 206608), (1184, 202420), (1396, 171680), (1480, 161936), (1745, 137344), (1856, 129130), (2146, 111680), (2320, 103304), (2368, 101210), (2792, 85840), (2960, 80968), (3490, 68672), (3712, 64565), (4292, 55840), (4640, 51652), (4736, 50605), (5365, 44672), (5584, 42920), (5920, 40484), (6980, 34336), (8584, 27920), (9280, 25826), (10121, 23680), (10730, 22336), (11168, 21460), (11840, 20242), (12913, 18560), (13960, 17168)]