31541300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 82080684

約数和(自身を除く): 50539384

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 157, 164, 175, 196, 205, 245, 287, 314, 350, 410, 490, 574, 628, 700, 785, 820, 980, 1025, 1099, 1148, 1225, 1435, 1570, 2009, 2050, 2198, 2450, 2870, 3140, 3925, 4018, 4100, 4396, 4900, 5495, 5740, 6437, 7175, 7693, 7850, 8036, 10045, 10990, 12874, 14350, 15386, 15700, 20090, 21980, 25748, 27475, 28700, 30772, 32185, 38465, 40180, 45059, 50225, 54950, 64370, 76930, 90118, 100450, 109900, 128740, 153860, 160925, 180236, 192325, 200900, 225295, 315413, 321850, 384650, 450590, 630826, 643700, 769300, 901180, 1126475, 1261652, 1577065, 2252950, 3154130, 4505900, 6308260, 7885325, 15770650, 31541300]

約数ペア:

[(1, 31541300), (2, 15770650), (4, 7885325), (5, 6308260), (7, 4505900), (10, 3154130), (14, 2252950), (20, 1577065), (25, 1261652), (28, 1126475), (35, 901180), (41, 769300), (49, 643700), (50, 630826), (70, 450590), (82, 384650), (98, 321850), (100, 315413), (140, 225295), (157, 200900), (164, 192325), (175, 180236), (196, 160925), (205, 153860), (245, 128740), (287, 109900), (314, 100450), (350, 90118), (410, 76930), (490, 64370), (574, 54950), (628, 50225), (700, 45059), (785, 40180), (820, 38465), (980, 32185), (1025, 30772), (1099, 28700), (1148, 27475), (1225, 25748), (1435, 21980), (1570, 20090), (2009, 15700), (2050, 15386), (2198, 14350), (2450, 12874), (2870, 10990), (3140, 10045), (3925, 8036), (4018, 7850), (4100, 7693), (4396, 7175), (4900, 6437), (5495, 5740)]