254236720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167261}}^1$

素因数の和:167293

約数の個数: 40

約数和(自身を含む): 622214640

約数和(自身を除く): 367977920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 167261, 334522, 669044, 836305, 1338088, 1672610, 2676176, 3177959, 3345220, 6355918, 6690440, 12711836, 13380880, 15889795, 25423672, 31779590, 50847344, 63559180, 127118360, 254236720]

約数ペア:

[(1, 254236720), (2, 127118360), (4, 63559180), (5, 50847344), (8, 31779590), (10, 25423672), (16, 15889795), (19, 13380880), (20, 12711836), (38, 6690440), (40, 6355918), (76, 3345220), (80, 3177959), (95, 2676176), (152, 1672610), (190, 1338088), (304, 836305), (380, 669044), (760, 334522), (1520, 167261)]