293440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:155

約数の個数: 56

約数和(自身を含む): 804672

約数和(自身を除く): 511232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 655, 917, 1048, 1120, 1310, 1834, 2096, 2240, 2620, 3668, 4192, 4585, 5240, 7336, 8384, 9170, 10480, 14672, 18340, 20960, 29344, 36680, 41920, 58688, 73360, 146720, 293440]

約数ペア:

[(1, 293440), (2, 146720), (4, 73360), (5, 58688), (7, 41920), (8, 36680), (10, 29344), (14, 20960), (16, 18340), (20, 14672), (28, 10480), (32, 9170), (35, 8384), (40, 7336), (56, 5240), (64, 4585), (70, 4192), (80, 3668), (112, 2620), (131, 2240), (140, 2096), (160, 1834), (224, 1310), (262, 1120), (280, 1048), (320, 917), (448, 655), (524, 560)]