121528820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{461}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 298627560

約数和(自身を除く): 177098740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 461, 490, 538, 922, 980, 1076, 1345, 1844, 1883, 2305, 2690, 3227, 3766, 4610, 5380, 6454, 7532, 9220, 9415, 12908, 13181, 16135, 18830, 22589, 26362, 32270, 37660, 45178, 52724, 64540, 65905, 90356, 112945, 124009, 131810, 225890, 248018, 263620, 451780, 496036, 620045, 868063, 1240090, 1736126, 2480180, 3472252, 4340315, 6076441, 8680630, 12152882, 17361260, 24305764, 30382205, 60764410, 121528820]

約数ペア:

[(1, 121528820), (2, 60764410), (4, 30382205), (5, 24305764), (7, 17361260), (10, 12152882), (14, 8680630), (20, 6076441), (28, 4340315), (35, 3472252), (49, 2480180), (70, 1736126), (98, 1240090), (140, 868063), (196, 620045), (245, 496036), (269, 451780), (461, 263620), (490, 248018), (538, 225890), (922, 131810), (980, 124009), (1076, 112945), (1345, 90356), (1844, 65905), (1883, 64540), (2305, 52724), (2690, 45178), (3227, 37660), (3766, 32270), (4610, 26362), (5380, 22589), (6454, 18830), (7532, 16135), (9220, 13181), (9415, 12908)]