446236420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{44893}}^1$

素因数の和:44980

約数の個数: 48

約数和(自身を含む): 1086075648

約数和(自身を除く): 639839228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 44893, 89786, 179572, 224465, 314251, 448930, 628502, 897860, 1257004, 1571255, 3142510, 3187403, 6285020, 6374806, 12749612, 15937015, 22311821, 31874030, 44623642, 63748060, 89247284, 111559105, 223118210, 446236420]

約数ペア:

[(1, 446236420), (2, 223118210), (4, 111559105), (5, 89247284), (7, 63748060), (10, 44623642), (14, 31874030), (20, 22311821), (28, 15937015), (35, 12749612), (70, 6374806), (71, 6285020), (140, 3187403), (142, 3142510), (284, 1571255), (355, 1257004), (497, 897860), (710, 628502), (994, 448930), (1420, 314251), (1988, 224465), (2485, 179572), (4970, 89786), (9940, 44893)]