71289700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 161552160

約数和(自身を除く): 90262460

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 59, 86, 100, 118, 172, 215, 236, 281, 295, 430, 562, 590, 860, 1075, 1124, 1180, 1405, 1475, 2150, 2537, 2810, 2950, 4300, 5074, 5620, 5900, 7025, 10148, 12083, 12685, 14050, 16579, 24166, 25370, 28100, 33158, 48332, 50740, 60415, 63425, 66316, 82895, 120830, 126850, 165790, 241660, 253700, 302075, 331580, 414475, 604150, 712897, 828950, 1208300, 1425794, 1657900, 2851588, 3564485, 7128970, 14257940, 17822425, 35644850, 71289700]

約数ペア:

[(1, 71289700), (2, 35644850), (4, 17822425), (5, 14257940), (10, 7128970), (20, 3564485), (25, 2851588), (43, 1657900), (50, 1425794), (59, 1208300), (86, 828950), (100, 712897), (118, 604150), (172, 414475), (215, 331580), (236, 302075), (281, 253700), (295, 241660), (430, 165790), (562, 126850), (590, 120830), (860, 82895), (1075, 66316), (1124, 63425), (1180, 60415), (1405, 50740), (1475, 48332), (2150, 33158), (2537, 28100), (2810, 25370), (2950, 24166), (4300, 16579), (5074, 14050), (5620, 12685), (5900, 12083), (7025, 10148)]