19565529970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{254329}}^1$

素因数の和:254507

約数の個数: 48

約数和(自身を含む): 41228927640

約数和(自身を除く): 21663397670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 314, 490, 785, 1099, 1570, 2198, 5495, 7693, 10990, 15386, 38465, 76930, 254329, 508658, 1271645, 1780303, 2543290, 3560606, 8901515, 12462121, 17803030, 24924242, 39929653, 62310605, 79859306, 124621210, 199648265, 279507571, 399296530, 559015142, 1397537855, 1956552997, 2795075710, 3913105994, 9782764985, 19565529970]

約数ペア:

[(1, 19565529970), (2, 9782764985), (5, 3913105994), (7, 2795075710), (10, 1956552997), (14, 1397537855), (35, 559015142), (49, 399296530), (70, 279507571), (98, 199648265), (157, 124621210), (245, 79859306), (314, 62310605), (490, 39929653), (785, 24924242), (1099, 17803030), (1570, 12462121), (2198, 8901515), (5495, 3560606), (7693, 2543290), (10990, 1780303), (15386, 1271645), (38465, 508658), (76930, 254329)]