129657500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 335892480

約数和(自身を除く): 206234980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 217, 239, 250, 310, 350, 434, 478, 500, 620, 625, 700, 775, 868, 875, 956, 1085, 1195, 1250, 1550, 1673, 1750, 2170, 2390, 2500, 3100, 3346, 3500, 3875, 4340, 4375, 4780, 5425, 5975, 6692, 7409, 7750, 8365, 8750, 10850, 11950, 14818, 15500, 16730, 17500, 19375, 21700, 23900, 27125, 29636, 29875, 33460, 37045, 38750, 41825, 51863, 54250, 59750, 74090, 77500, 83650, 103726, 108500, 119500, 135625, 148180, 149375, 167300, 185225, 207452, 209125, 259315, 271250, 298750, 370450, 418250, 518630, 542500, 597500, 740900, 836500, 926125, 1037260, 1045625, 1296575, 1852250, 2091250, 2593150, 3704500, 4182500, 4630625, 5186300, 6482875, 9261250, 12965750, 18522500, 25931500, 32414375, 64828750, 129657500]

約数ペア:

[(1, 129657500), (2, 64828750), (4, 32414375), (5, 25931500), (7, 18522500), (10, 12965750), (14, 9261250), (20, 6482875), (25, 5186300), (28, 4630625), (31, 4182500), (35, 3704500), (50, 2593150), (62, 2091250), (70, 1852250), (100, 1296575), (124, 1045625), (125, 1037260), (140, 926125), (155, 836500), (175, 740900), (217, 597500), (239, 542500), (250, 518630), (310, 418250), (350, 370450), (434, 298750), (478, 271250), (500, 259315), (620, 209125), (625, 207452), (700, 185225), (775, 167300), (868, 149375), (875, 148180), (956, 135625), (1085, 119500), (1195, 108500), (1250, 103726), (1550, 83650), (1673, 77500), (1750, 74090), (2170, 59750), (2390, 54250), (2500, 51863), (3100, 41825), (3346, 38750), (3500, 37045), (3875, 33460), (4340, 29875), (4375, 29636), (4780, 27125), (5425, 23900), (5975, 21700), (6692, 19375), (7409, 17500), (7750, 16730), (8365, 15500), (8750, 14818), (10850, 11950)]