203841500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 96

約数和(自身を含む): 480480000

約数和(自身を除く): 276638500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 125, 172, 190, 215, 250, 380, 430, 475, 499, 500, 817, 860, 950, 998, 1075, 1634, 1900, 1996, 2150, 2375, 2495, 3268, 4085, 4300, 4750, 4990, 5375, 8170, 9481, 9500, 9980, 10750, 12475, 16340, 18962, 20425, 21457, 21500, 24950, 37924, 40850, 42914, 47405, 49900, 62375, 81700, 85828, 94810, 102125, 107285, 124750, 189620, 204250, 214570, 237025, 249500, 407683, 408500, 429140, 474050, 536425, 815366, 948100, 1072850, 1185125, 1630732, 2038415, 2145700, 2370250, 2682125, 4076830, 4740500, 5364250, 8153660, 10192075, 10728500, 20384150, 40768300, 50960375, 101920750, 203841500]

約数ペア:

[(1, 203841500), (2, 101920750), (4, 50960375), (5, 40768300), (10, 20384150), (19, 10728500), (20, 10192075), (25, 8153660), (38, 5364250), (43, 4740500), (50, 4076830), (76, 2682125), (86, 2370250), (95, 2145700), (100, 2038415), (125, 1630732), (172, 1185125), (190, 1072850), (215, 948100), (250, 815366), (380, 536425), (430, 474050), (475, 429140), (499, 408500), (500, 407683), (817, 249500), (860, 237025), (950, 214570), (998, 204250), (1075, 189620), (1634, 124750), (1900, 107285), (1996, 102125), (2150, 94810), (2375, 85828), (2495, 81700), (3268, 62375), (4085, 49900), (4300, 47405), (4750, 42914), (4990, 40850), (5375, 37924), (8170, 24950), (9481, 21500), (9500, 21457), (9980, 20425), (10750, 18962), (12475, 16340)]