84940520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 229824000

約数和(自身を除く): 144883480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 151, 164, 196, 205, 245, 280, 287, 302, 328, 343, 392, 410, 490, 574, 604, 686, 755, 820, 980, 1057, 1148, 1208, 1372, 1435, 1510, 1640, 1715, 1960, 2009, 2114, 2296, 2744, 2870, 3020, 3430, 4018, 4228, 5285, 5740, 6040, 6191, 6860, 7399, 8036, 8456, 10045, 10570, 11480, 12382, 13720, 14063, 14798, 16072, 20090, 21140, 24764, 28126, 29596, 30955, 36995, 40180, 42280, 43337, 49528, 51793, 56252, 59192, 61910, 70315, 73990, 80360, 86674, 103586, 112504, 123820, 140630, 147980, 173348, 207172, 216685, 247640, 258965, 281260, 295960, 303359, 346696, 414344, 433370, 517930, 562520, 606718, 866740, 1035860, 1213436, 1516795, 1733480, 2071720, 2123513, 2426872, 3033590, 4247026, 6067180, 8494052, 10617565, 12134360, 16988104, 21235130, 42470260, 84940520]

約数ペア:

[(1, 84940520), (2, 42470260), (4, 21235130), (5, 16988104), (7, 12134360), (8, 10617565), (10, 8494052), (14, 6067180), (20, 4247026), (28, 3033590), (35, 2426872), (40, 2123513), (41, 2071720), (49, 1733480), (56, 1516795), (70, 1213436), (82, 1035860), (98, 866740), (140, 606718), (151, 562520), (164, 517930), (196, 433370), (205, 414344), (245, 346696), (280, 303359), (287, 295960), (302, 281260), (328, 258965), (343, 247640), (392, 216685), (410, 207172), (490, 173348), (574, 147980), (604, 140630), (686, 123820), (755, 112504), (820, 103586), (980, 86674), (1057, 80360), (1148, 73990), (1208, 70315), (1372, 61910), (1435, 59192), (1510, 56252), (1640, 51793), (1715, 49528), (1960, 43337), (2009, 42280), (2114, 40180), (2296, 36995), (2744, 30955), (2870, 29596), (3020, 28126), (3430, 24764), (4018, 21140), (4228, 20090), (5285, 16072), (5740, 14798), (6040, 14063), (6191, 13720), (6860, 12382), (7399, 11480), (8036, 10570), (8456, 10045)]