1048420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2419200

約数和(自身を除く): 1370780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 89, 95, 124, 155, 178, 190, 310, 356, 380, 445, 589, 620, 890, 1178, 1691, 1780, 2356, 2759, 2945, 3382, 5518, 5890, 6764, 8455, 11036, 11780, 13795, 16910, 27590, 33820, 52421, 55180, 104842, 209684, 262105, 524210, 1048420]

約数ペア:

[(1, 1048420), (2, 524210), (4, 262105), (5, 209684), (10, 104842), (19, 55180), (20, 52421), (31, 33820), (38, 27590), (62, 16910), (76, 13795), (89, 11780), (95, 11036), (124, 8455), (155, 6764), (178, 5890), (190, 5518), (310, 3382), (356, 2945), (380, 2759), (445, 2356), (589, 1780), (620, 1691), (890, 1178)]