13871140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 30985920

約数和(自身を除く): 17114780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 211, 346, 380, 422, 692, 844, 865, 1055, 1730, 2110, 3287, 3460, 4009, 4220, 6574, 8018, 13148, 16036, 16435, 20045, 32870, 36503, 40090, 65740, 73006, 80180, 146012, 182515, 365030, 693557, 730060, 1387114, 2774228, 3467785, 6935570, 13871140]

約数ペア:

[(1, 13871140), (2, 6935570), (4, 3467785), (5, 2774228), (10, 1387114), (19, 730060), (20, 693557), (38, 365030), (76, 182515), (95, 146012), (173, 80180), (190, 73006), (211, 65740), (346, 40090), (380, 36503), (422, 32870), (692, 20045), (844, 16435), (865, 16036), (1055, 13148), (1730, 8018), (2110, 6574), (3287, 4220), (3460, 4009)]