91894280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 120390520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 311, 332, 356, 415, 445, 622, 664, 712, 830, 890, 1244, 1555, 1660, 1780, 2488, 3110, 3320, 3560, 6220, 7387, 12440, 14774, 25813, 27679, 29548, 36935, 51626, 55358, 59096, 73870, 103252, 110716, 129065, 138395, 147740, 206504, 221432, 258130, 276790, 295480, 516260, 553580, 1032520, 1107160, 2297357, 4594714, 9189428, 11486785, 18378856, 22973570, 45947140, 91894280]

約数ペア:

[(1, 91894280), (2, 45947140), (4, 22973570), (5, 18378856), (8, 11486785), (10, 9189428), (20, 4594714), (40, 2297357), (83, 1107160), (89, 1032520), (166, 553580), (178, 516260), (311, 295480), (332, 276790), (356, 258130), (415, 221432), (445, 206504), (622, 147740), (664, 138395), (712, 129065), (830, 110716), (890, 103252), (1244, 73870), (1555, 59096), (1660, 55358), (1780, 51626), (2488, 36935), (3110, 29548), (3320, 27679), (3560, 25813), (6220, 14774), (7387, 12440)]