7254940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 19362672

約数和(自身を除く): 12107732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 673, 770, 980, 1078, 1346, 1540, 2156, 2692, 2695, 3365, 4711, 5390, 6730, 7403, 9422, 10780, 13460, 14806, 18844, 23555, 29612, 32977, 37015, 47110, 51821, 65954, 74030, 94220, 103642, 131908, 148060, 164885, 207284, 259105, 329770, 362747, 518210, 659540, 725494, 1036420, 1450988, 1813735, 3627470, 7254940]

約数ペア:

[(1, 7254940), (2, 3627470), (4, 1813735), (5, 1450988), (7, 1036420), (10, 725494), (11, 659540), (14, 518210), (20, 362747), (22, 329770), (28, 259105), (35, 207284), (44, 164885), (49, 148060), (55, 131908), (70, 103642), (77, 94220), (98, 74030), (110, 65954), (140, 51821), (154, 47110), (196, 37015), (220, 32977), (245, 29612), (308, 23555), (385, 18844), (490, 14806), (539, 13460), (673, 10780), (770, 9422), (980, 7403), (1078, 6730), (1346, 5390), (1540, 4711), (2156, 3365), (2692, 2695)]