7197140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 15833664

約数和(自身を除く): 8636524

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 131, 134, 164, 205, 262, 268, 335, 410, 524, 655, 670, 820, 1310, 1340, 2620, 2747, 5371, 5494, 8777, 10742, 10988, 13735, 17554, 21484, 26855, 27470, 35108, 43885, 53710, 54940, 87770, 107420, 175540, 359857, 719714, 1439428, 1799285, 3598570, 7197140]

約数ペア:

[(1, 7197140), (2, 3598570), (4, 1799285), (5, 1439428), (10, 719714), (20, 359857), (41, 175540), (67, 107420), (82, 87770), (131, 54940), (134, 53710), (164, 43885), (205, 35108), (262, 27470), (268, 26855), (335, 21484), (410, 17554), (524, 13735), (655, 10988), (670, 10742), (820, 8777), (1310, 5494), (1340, 5371), (2620, 2747)]