22099460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 25800700

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 197, 284, 316, 355, 394, 395, 710, 788, 790, 985, 1420, 1580, 1970, 3940, 5609, 11218, 13987, 15563, 22436, 27974, 28045, 31126, 55948, 56090, 62252, 69935, 77815, 112180, 139870, 155630, 279740, 311260, 1104973, 2209946, 4419892, 5524865, 11049730, 22099460]

約数ペア:

[(1, 22099460), (2, 11049730), (4, 5524865), (5, 4419892), (10, 2209946), (20, 1104973), (71, 311260), (79, 279740), (142, 155630), (158, 139870), (197, 112180), (284, 77815), (316, 69935), (355, 62252), (394, 56090), (395, 55948), (710, 31126), (788, 28045), (790, 27974), (985, 22436), (1420, 15563), (1580, 13987), (1970, 11218), (3940, 5609)]