219312910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7949}}^1$

素因数の和:8076

約数の個数: 32

約数和(自身を含む): 412128000

約数和(自身を除く): 192815090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 7949, 13795, 15898, 27590, 39745, 79490, 246419, 492838, 707461, 1232095, 1414922, 2464190, 3537305, 7074610, 21931291, 43862582, 109656455, 219312910]

約数ペア:

[(1, 219312910), (2, 109656455), (5, 43862582), (10, 21931291), (31, 7074610), (62, 3537305), (89, 2464190), (155, 1414922), (178, 1232095), (310, 707461), (445, 492838), (890, 246419), (2759, 79490), (5518, 39745), (7949, 27590), (13795, 15898)]