1250907640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 2850746400

約数和(自身を除く): 1599838760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 173, 326, 346, 652, 692, 815, 865, 1109, 1304, 1384, 1630, 1730, 2218, 3260, 3460, 4436, 5545, 6520, 6920, 8872, 11090, 22180, 28199, 44360, 56398, 112796, 140995, 180767, 191857, 225592, 281990, 361534, 383714, 563980, 723068, 767428, 903835, 959285, 1127960, 1446136, 1534856, 1807670, 1918570, 3615340, 3837140, 7230680, 7674280, 31272691, 62545382, 125090764, 156363455, 250181528, 312726910, 625453820, 1250907640]

約数ペア:

[(1, 1250907640), (2, 625453820), (4, 312726910), (5, 250181528), (8, 156363455), (10, 125090764), (20, 62545382), (40, 31272691), (163, 7674280), (173, 7230680), (326, 3837140), (346, 3615340), (652, 1918570), (692, 1807670), (815, 1534856), (865, 1446136), (1109, 1127960), (1304, 959285), (1384, 903835), (1630, 767428), (1730, 723068), (2218, 563980), (3260, 383714), (3460, 361534), (4436, 281990), (5545, 225592), (6520, 191857), (6920, 180767), (8872, 140995), (11090, 112796), (22180, 56398), (28199, 44360)]