212657920

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1737

約数の個数: 72

約数和(自身を含む): 514646496

約数和(自身を除く): 301988576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 824, 1030, 1280, 1613, 1648, 2060, 3226, 3296, 4120, 6452, 6592, 8065, 8240, 12904, 13184, 16130, 16480, 25808, 26368, 32260, 32960, 51616, 64520, 65920, 103232, 129040, 131840, 166139, 206464, 258080, 332278, 412928, 516160, 664556, 830695, 1032320, 1329112, 1661390, 2064640, 2658224, 3322780, 5316448, 6645560, 10632896, 13291120, 21265792, 26582240, 42531584, 53164480, 106328960, 212657920]

約数ペア:

[(1, 212657920), (2, 106328960), (4, 53164480), (5, 42531584), (8, 26582240), (10, 21265792), (16, 13291120), (20, 10632896), (32, 6645560), (40, 5316448), (64, 3322780), (80, 2658224), (103, 2064640), (128, 1661390), (160, 1329112), (206, 1032320), (256, 830695), (320, 664556), (412, 516160), (515, 412928), (640, 332278), (824, 258080), (1030, 206464), (1280, 166139), (1613, 131840), (1648, 129040), (2060, 103232), (3226, 65920), (3296, 64520), (4120, 51616), (6452, 32960), (6592, 32260), (8065, 26368), (8240, 25808), (12904, 16480), (13184, 16130)]