28870100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41243}}^1$

素因数の和:41264

約数の個数: 36

約数和(自身を含む): 71599584

約数和(自身を除く): 42729484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 41243, 82486, 164972, 206215, 288701, 412430, 577402, 824860, 1031075, 1154804, 1443505, 2062150, 2887010, 4124300, 5774020, 7217525, 14435050, 28870100]

約数ペア:

[(1, 28870100), (2, 14435050), (4, 7217525), (5, 5774020), (7, 4124300), (10, 2887010), (14, 2062150), (20, 1443505), (25, 1154804), (28, 1031075), (35, 824860), (50, 577402), (70, 412430), (100, 288701), (140, 206215), (175, 164972), (350, 82486), (700, 41243)]