79408100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 179884320

約数和(自身を除く): 100476220

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 59, 86, 100, 118, 172, 215, 236, 295, 313, 430, 590, 626, 860, 1075, 1180, 1252, 1475, 1565, 2150, 2537, 2950, 3130, 4300, 5074, 5900, 6260, 7825, 10148, 12685, 13459, 15650, 18467, 25370, 26918, 31300, 36934, 50740, 53836, 63425, 67295, 73868, 92335, 126850, 134590, 184670, 253700, 269180, 336475, 369340, 461675, 672950, 794081, 923350, 1345900, 1588162, 1846700, 3176324, 3970405, 7940810, 15881620, 19852025, 39704050, 79408100]

約数ペア:

[(1, 79408100), (2, 39704050), (4, 19852025), (5, 15881620), (10, 7940810), (20, 3970405), (25, 3176324), (43, 1846700), (50, 1588162), (59, 1345900), (86, 923350), (100, 794081), (118, 672950), (172, 461675), (215, 369340), (236, 336475), (295, 269180), (313, 253700), (430, 184670), (590, 134590), (626, 126850), (860, 92335), (1075, 73868), (1180, 67295), (1252, 63425), (1475, 53836), (1565, 50740), (2150, 36934), (2537, 31300), (2950, 26918), (3130, 25370), (4300, 18467), (5074, 15650), (5900, 13459), (6260, 12685), (7825, 10148)]