201231400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{23399}}^1$

素因数の和:23458

約数の個数: 48

約数和(自身を含む): 478764000

約数和(自身を除く): 277532600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 23399, 46798, 93596, 116995, 187192, 233990, 467980, 584975, 935960, 1006157, 1169950, 2012314, 2339900, 4024628, 4679800, 5030785, 8049256, 10061570, 20123140, 25153925, 40246280, 50307850, 100615700, 201231400]

約数ペア:

[(1, 201231400), (2, 100615700), (4, 50307850), (5, 40246280), (8, 25153925), (10, 20123140), (20, 10061570), (25, 8049256), (40, 5030785), (43, 4679800), (50, 4024628), (86, 2339900), (100, 2012314), (172, 1169950), (200, 1006157), (215, 935960), (344, 584975), (430, 467980), (860, 233990), (1075, 187192), (1720, 116995), (2150, 93596), (4300, 46798), (8600, 23399)]