251567200

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 643458816

約数和(自身を除く): 391891616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 71, 80, 86, 100, 103, 142, 160, 172, 200, 206, 215, 284, 344, 355, 400, 412, 430, 515, 568, 688, 710, 800, 824, 860, 1030, 1075, 1136, 1376, 1420, 1648, 1720, 1775, 2060, 2150, 2272, 2575, 2840, 3053, 3296, 3440, 3550, 4120, 4300, 4429, 5150, 5680, 6106, 6880, 7100, 7313, 8240, 8600, 8858, 10300, 11360, 12212, 14200, 14626, 15265, 16480, 17200, 17716, 20600, 22145, 24424, 28400, 29252, 30530, 34400, 35432, 36565, 41200, 44290, 48848, 56800, 58504, 61060, 70864, 73130, 76325, 82400, 88580, 97696, 110725, 117008, 122120, 141728, 146260, 152650, 177160, 182825, 221450, 234016, 244240, 292520, 305300, 314459, 354320, 365650, 442900, 488480, 585040, 610600, 628918, 708640, 731300, 885800, 1170080, 1221200, 1257836, 1462600, 1572295, 1771600, 2442400, 2515672, 2925200, 3144590, 3543200, 5031344, 5850400, 6289180, 7861475, 10062688, 12578360, 15722950, 25156720, 31445900, 50313440, 62891800, 125783600, 251567200]

約数ペア:

[(1, 251567200), (2, 125783600), (4, 62891800), (5, 50313440), (8, 31445900), (10, 25156720), (16, 15722950), (20, 12578360), (25, 10062688), (32, 7861475), (40, 6289180), (43, 5850400), (50, 5031344), (71, 3543200), (80, 3144590), (86, 2925200), (100, 2515672), (103, 2442400), (142, 1771600), (160, 1572295), (172, 1462600), (200, 1257836), (206, 1221200), (215, 1170080), (284, 885800), (344, 731300), (355, 708640), (400, 628918), (412, 610600), (430, 585040), (515, 488480), (568, 442900), (688, 365650), (710, 354320), (800, 314459), (824, 305300), (860, 292520), (1030, 244240), (1075, 234016), (1136, 221450), (1376, 182825), (1420, 177160), (1648, 152650), (1720, 146260), (1775, 141728), (2060, 122120), (2150, 117008), (2272, 110725), (2575, 97696), (2840, 88580), (3053, 82400), (3296, 76325), (3440, 73130), (3550, 70864), (4120, 61060), (4300, 58504), (4429, 56800), (5150, 48848), (5680, 44290), (6106, 41200), (6880, 36565), (7100, 35432), (7313, 34400), (8240, 30530), (8600, 29252), (8858, 28400), (10300, 24424), (11360, 22145), (12212, 20600), (14200, 17716), (14626, 17200), (15265, 16480)]