7842440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 19699200

約数和(自身を除く): 11856760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 607, 646, 680, 760, 1214, 1292, 1615, 2428, 2584, 3035, 3230, 4856, 6070, 6460, 10319, 11533, 12140, 12920, 20638, 23066, 24280, 41276, 46132, 51595, 57665, 82552, 92264, 103190, 115330, 196061, 206380, 230660, 392122, 412760, 461320, 784244, 980305, 1568488, 1960610, 3921220, 7842440]

約数ペア:

[(1, 7842440), (2, 3921220), (4, 1960610), (5, 1568488), (8, 980305), (10, 784244), (17, 461320), (19, 412760), (20, 392122), (34, 230660), (38, 206380), (40, 196061), (68, 115330), (76, 103190), (85, 92264), (95, 82552), (136, 57665), (152, 51595), (170, 46132), (190, 41276), (323, 24280), (340, 23066), (380, 20638), (607, 12920), (646, 12140), (680, 11533), (760, 10319), (1214, 6460), (1292, 6070), (1615, 4856), (2428, 3230), (2584, 3035)]