393248260

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 835712640

約数和(自身を除く): 442464380

約数列:

[1, 2, 4, 5, 10, 20, 167, 281, 334, 419, 562, 668, 835, 838, 1124, 1405, 1670, 1676, 2095, 2810, 3340, 4190, 5620, 8380, 46927, 69973, 93854, 117739, 139946, 187708, 234635, 235478, 279892, 349865, 469270, 470956, 588695, 699730, 938540, 1177390, 1399460, 2354780, 19662413, 39324826, 78649652, 98312065, 196624130, 393248260]

約数ペア:

[(1, 393248260), (2, 196624130), (4, 98312065), (5, 78649652), (10, 39324826), (20, 19662413), (167, 2354780), (281, 1399460), (334, 1177390), (419, 938540), (562, 699730), (668, 588695), (835, 470956), (838, 469270), (1124, 349865), (1405, 279892), (1670, 235478), (1676, 234635), (2095, 187708), (2810, 139946), (3340, 117739), (4190, 93854), (5620, 69973), (8380, 46927)]