157220420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9437}}^1$

素因数の和:9477

約数の個数: 72

約数和(自身を含む): 406702296

約数和(自身を除く): 249481876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 9437, 16660, 18874, 37748, 47185, 66059, 94370, 132118, 160429, 188740, 264236, 320858, 330295, 462413, 641716, 660590, 802145, 924826, 1123003, 1321180, 1604290, 1849652, 2246006, 2312065, 3208580, 4492012, 4624130, 5615015, 7861021, 9248260, 11230030, 15722042, 22460060, 31444084, 39305105, 78610210, 157220420]

約数ペア:

[(1, 157220420), (2, 78610210), (4, 39305105), (5, 31444084), (7, 22460060), (10, 15722042), (14, 11230030), (17, 9248260), (20, 7861021), (28, 5615015), (34, 4624130), (35, 4492012), (49, 3208580), (68, 2312065), (70, 2246006), (85, 1849652), (98, 1604290), (119, 1321180), (140, 1123003), (170, 924826), (196, 802145), (238, 660590), (245, 641716), (340, 462413), (476, 330295), (490, 320858), (595, 264236), (833, 188740), (980, 160429), (1190, 132118), (1666, 94370), (2380, 66059), (3332, 47185), (4165, 37748), (8330, 18874), (9437, 16660)]