121000840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 282366000

約数和(自身を除く): 161365160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 829, 890, 1640, 1658, 1780, 3316, 3560, 3649, 4145, 6632, 7298, 8290, 14596, 16580, 18245, 29192, 33160, 33989, 36490, 67978, 72980, 73781, 135956, 145960, 147562, 169945, 271912, 295124, 339890, 368905, 590248, 679780, 737810, 1359560, 1475620, 2951240, 3025021, 6050042, 12100084, 15125105, 24200168, 30250210, 60500420, 121000840]

約数ペア:

[(1, 121000840), (2, 60500420), (4, 30250210), (5, 24200168), (8, 15125105), (10, 12100084), (20, 6050042), (40, 3025021), (41, 2951240), (82, 1475620), (89, 1359560), (164, 737810), (178, 679780), (205, 590248), (328, 368905), (356, 339890), (410, 295124), (445, 271912), (712, 169945), (820, 147562), (829, 145960), (890, 135956), (1640, 73781), (1658, 72980), (1780, 67978), (3316, 36490), (3560, 33989), (3649, 33160), (4145, 29192), (6632, 18245), (7298, 16580), (8290, 14596)]