12557900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 29529360

約数和(自身を除く): 16971460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 83, 85, 89, 100, 166, 170, 178, 332, 340, 356, 415, 425, 445, 830, 850, 890, 1411, 1513, 1660, 1700, 1780, 2075, 2225, 2822, 3026, 4150, 4450, 5644, 6052, 7055, 7387, 7565, 8300, 8900, 14110, 14774, 15130, 28220, 29548, 30260, 35275, 36935, 37825, 70550, 73870, 75650, 125579, 141100, 147740, 151300, 184675, 251158, 369350, 502316, 627895, 738700, 1255790, 2511580, 3139475, 6278950, 12557900]

約数ペア:

[(1, 12557900), (2, 6278950), (4, 3139475), (5, 2511580), (10, 1255790), (17, 738700), (20, 627895), (25, 502316), (34, 369350), (50, 251158), (68, 184675), (83, 151300), (85, 147740), (89, 141100), (100, 125579), (166, 75650), (170, 73870), (178, 70550), (332, 37825), (340, 36935), (356, 35275), (415, 30260), (425, 29548), (445, 28220), (830, 15130), (850, 14774), (890, 14110), (1411, 8900), (1513, 8300), (1660, 7565), (1700, 7387), (1780, 7055), (2075, 6052), (2225, 5644), (2822, 4450), (3026, 4150)]