890712

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 2457000

約数和(自身を除く): 1566288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 139, 178, 267, 278, 356, 417, 534, 556, 712, 801, 834, 1068, 1112, 1251, 1602, 1668, 2136, 2502, 3204, 3336, 5004, 6408, 10008, 12371, 24742, 37113, 49484, 74226, 98968, 111339, 148452, 222678, 296904, 445356, 890712]

約数ペア:

[(1, 890712), (2, 445356), (3, 296904), (4, 222678), (6, 148452), (8, 111339), (9, 98968), (12, 74226), (18, 49484), (24, 37113), (36, 24742), (72, 12371), (89, 10008), (139, 6408), (178, 5004), (267, 3336), (278, 3204), (356, 2502), (417, 2136), (534, 1668), (556, 1602), (712, 1251), (801, 1112), (834, 1068)]