1122940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 2907072

約数和(自身を除く): 1784132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 617, 910, 1234, 1820, 2468, 3085, 4319, 6170, 8021, 8638, 12340, 16042, 17276, 21595, 32084, 40105, 43190, 56147, 80210, 86380, 112294, 160420, 224588, 280735, 561470, 1122940]

約数ペア:

[(1, 1122940), (2, 561470), (4, 280735), (5, 224588), (7, 160420), (10, 112294), (13, 86380), (14, 80210), (20, 56147), (26, 43190), (28, 40105), (35, 32084), (52, 21595), (65, 17276), (70, 16042), (91, 12340), (130, 8638), (140, 8021), (182, 6170), (260, 4319), (364, 3085), (455, 2468), (617, 1820), (910, 1234)]