128075500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 350558208

約数和(自身を除く): 222482708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 37, 43, 46, 50, 70, 74, 86, 92, 100, 115, 125, 140, 148, 161, 172, 175, 185, 215, 230, 250, 259, 301, 322, 350, 370, 430, 460, 500, 518, 575, 602, 644, 700, 740, 805, 851, 860, 875, 925, 989, 1036, 1075, 1150, 1204, 1295, 1505, 1591, 1610, 1702, 1750, 1850, 1978, 2150, 2300, 2590, 2875, 3010, 3182, 3220, 3404, 3500, 3700, 3956, 4025, 4255, 4300, 4625, 4945, 5180, 5375, 5750, 5957, 6020, 6364, 6475, 6923, 7525, 7955, 8050, 8510, 9250, 9890, 10750, 11137, 11500, 11914, 12950, 13846, 15050, 15910, 16100, 17020, 18500, 19780, 20125, 21275, 21500, 22274, 23828, 24725, 25900, 27692, 29785, 30100, 31820, 32375, 34615, 36593, 37625, 39775, 40250, 42550, 44548, 49450, 55685, 59570, 64750, 69230, 73186, 75250, 79550, 80500, 85100, 98900, 106375, 111370, 119140, 123625, 129500, 138460, 146372, 148925, 150500, 159100, 173075, 182965, 198875, 212750, 222740, 247250, 256151, 278425, 297850, 346150, 365930, 397750, 425500, 494500, 512302, 556850, 595700, 692300, 731860, 744625, 795500, 865375, 914825, 1024604, 1113700, 1280755, 1392125, 1489250, 1730750, 1829650, 2561510, 2784250, 2978500, 3461500, 3659300, 4574125, 5123020, 5568500, 6403775, 9148250, 12807550, 18296500, 25615100, 32018875, 64037750, 128075500]

約数ペア:

[(1, 128075500), (2, 64037750), (4, 32018875), (5, 25615100), (7, 18296500), (10, 12807550), (14, 9148250), (20, 6403775), (23, 5568500), (25, 5123020), (28, 4574125), (35, 3659300), (37, 3461500), (43, 2978500), (46, 2784250), (50, 2561510), (70, 1829650), (74, 1730750), (86, 1489250), (92, 1392125), (100, 1280755), (115, 1113700), (125, 1024604), (140, 914825), (148, 865375), (161, 795500), (172, 744625), (175, 731860), (185, 692300), (215, 595700), (230, 556850), (250, 512302), (259, 494500), (301, 425500), (322, 397750), (350, 365930), (370, 346150), (430, 297850), (460, 278425), (500, 256151), (518, 247250), (575, 222740), (602, 212750), (644, 198875), (700, 182965), (740, 173075), (805, 159100), (851, 150500), (860, 148925), (875, 146372), (925, 138460), (989, 129500), (1036, 123625), (1075, 119140), (1150, 111370), (1204, 106375), (1295, 98900), (1505, 85100), (1591, 80500), (1610, 79550), (1702, 75250), (1750, 73186), (1850, 69230), (1978, 64750), (2150, 59570), (2300, 55685), (2590, 49450), (2875, 44548), (3010, 42550), (3182, 40250), (3220, 39775), (3404, 37625), (3500, 36593), (3700, 34615), (3956, 32375), (4025, 31820), (4255, 30100), (4300, 29785), (4625, 27692), (4945, 25900), (5180, 24725), (5375, 23828), (5750, 22274), (5957, 21500), (6020, 21275), (6364, 20125), (6475, 19780), (6923, 18500), (7525, 17020), (7955, 16100), (8050, 15910), (8510, 15050), (9250, 13846), (9890, 12950), (10750, 11914), (11137, 11500)]