40768300

素因数分解:

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

素因数の和:575

約数の個数: 72

約数和(自身を含む): 95480000

約数和(自身を除く): 54711700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 499, 817, 860, 950, 998, 1075, 1634, 1900, 1996, 2150, 2495, 3268, 4085, 4300, 4990, 8170, 9481, 9980, 12475, 16340, 18962, 20425, 21457, 24950, 37924, 40850, 42914, 47405, 49900, 81700, 85828, 94810, 107285, 189620, 214570, 237025, 407683, 429140, 474050, 536425, 815366, 948100, 1072850, 1630732, 2038415, 2145700, 4076830, 8153660, 10192075, 20384150, 40768300]

約数ペア:

[(1, 40768300), (2, 20384150), (4, 10192075), (5, 8153660), (10, 4076830), (19, 2145700), (20, 2038415), (25, 1630732), (38, 1072850), (43, 948100), (50, 815366), (76, 536425), (86, 474050), (95, 429140), (100, 407683), (172, 237025), (190, 214570), (215, 189620), (380, 107285), (430, 94810), (475, 85828), (499, 81700), (817, 49900), (860, 47405), (950, 42914), (998, 40850), (1075, 37924), (1634, 24950), (1900, 21457), (1996, 20425), (2150, 18962), (2495, 16340), (3268, 12475), (4085, 9980), (4300, 9481), (4990, 8170)]