221854850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1200

約数の個数: 72

約数和(自身を含む): 486250128

約数和(自身を除く): 264395278

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 83, 98, 166, 175, 245, 350, 415, 490, 581, 830, 1091, 1162, 1225, 2075, 2182, 2450, 2905, 4067, 4150, 5455, 5810, 7637, 8134, 10910, 14525, 15274, 20335, 27275, 29050, 38185, 40670, 53459, 54550, 76370, 90553, 101675, 106918, 181106, 190925, 203350, 267295, 381850, 452765, 534590, 633871, 905530, 1267742, 1336475, 2263825, 2672950, 3169355, 4437097, 4527650, 6338710, 8874194, 15846775, 22185485, 31693550, 44370970, 110927425, 221854850]

約数ペア:

[(1, 221854850), (2, 110927425), (5, 44370970), (7, 31693550), (10, 22185485), (14, 15846775), (25, 8874194), (35, 6338710), (49, 4527650), (50, 4437097), (70, 3169355), (83, 2672950), (98, 2263825), (166, 1336475), (175, 1267742), (245, 905530), (350, 633871), (415, 534590), (490, 452765), (581, 381850), (830, 267295), (1091, 203350), (1162, 190925), (1225, 181106), (2075, 106918), (2182, 101675), (2450, 90553), (2905, 76370), (4067, 54550), (4150, 53459), (5455, 40670), (5810, 38185), (7637, 29050), (8134, 27275), (10910, 20335), (14525, 15274)]