1229409020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{17669}}^1$

素因数の和:17763

約数の個数: 72

約数和(自身を含む): 3045742560

約数和(自身を除く): 1816333540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 17669, 34790, 35338, 69580, 70676, 88345, 123683, 176690, 247366, 353380, 494732, 618415, 865781, 1236830, 1254499, 1731562, 2473660, 2508998, 3463124, 4328905, 5017996, 6272495, 8657810, 8781493, 12544990, 17315620, 17562986, 25089980, 35125972, 43907465, 61470451, 87814930, 122940902, 175629860, 245881804, 307352255, 614704510, 1229409020]

約数ペア:

[(1, 1229409020), (2, 614704510), (4, 307352255), (5, 245881804), (7, 175629860), (10, 122940902), (14, 87814930), (20, 61470451), (28, 43907465), (35, 35125972), (49, 25089980), (70, 17562986), (71, 17315620), (98, 12544990), (140, 8781493), (142, 8657810), (196, 6272495), (245, 5017996), (284, 4328905), (355, 3463124), (490, 2508998), (497, 2473660), (710, 1731562), (980, 1254499), (994, 1236830), (1420, 865781), (1988, 618415), (2485, 494732), (3479, 353380), (4970, 247366), (6958, 176690), (9940, 123683), (13916, 88345), (17395, 70676), (17669, 69580), (34790, 35338)]