9801550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 10447154

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 251, 275, 355, 502, 550, 710, 781, 1255, 1562, 1775, 2510, 2761, 3550, 3905, 5522, 6275, 7810, 12550, 13805, 17821, 19525, 27610, 35642, 39050, 69025, 89105, 138050, 178210, 196031, 392062, 445525, 891050, 980155, 1960310, 4900775, 9801550]

約数ペア:

[(1, 9801550), (2, 4900775), (5, 1960310), (10, 980155), (11, 891050), (22, 445525), (25, 392062), (50, 196031), (55, 178210), (71, 138050), (110, 89105), (142, 69025), (251, 39050), (275, 35642), (355, 27610), (502, 19525), (550, 17821), (710, 13805), (781, 12550), (1255, 7810), (1562, 6275), (1775, 5522), (2510, 3905), (2761, 3550)]