17820400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 48434400

約数和(自身を除く): 30614000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 149, 184, 200, 208, 230, 260, 298, 299, 325, 368, 400, 460, 520, 575, 596, 598, 650, 745, 920, 1040, 1150, 1192, 1196, 1300, 1490, 1495, 1840, 1937, 2300, 2384, 2392, 2600, 2980, 2990, 3427, 3725, 3874, 4600, 4784, 5200, 5960, 5980, 6854, 7450, 7475, 7748, 9200, 9685, 11920, 11960, 13708, 14900, 14950, 15496, 17135, 19370, 23920, 27416, 29800, 29900, 30992, 34270, 38740, 44551, 48425, 54832, 59600, 59800, 68540, 77480, 85675, 89102, 96850, 119600, 137080, 154960, 171350, 178204, 193700, 222755, 274160, 342700, 356408, 387400, 445510, 685400, 712816, 774800, 891020, 1113775, 1370800, 1782040, 2227550, 3564080, 4455100, 8910200, 17820400]

約数ペア:

[(1, 17820400), (2, 8910200), (4, 4455100), (5, 3564080), (8, 2227550), (10, 1782040), (13, 1370800), (16, 1113775), (20, 891020), (23, 774800), (25, 712816), (26, 685400), (40, 445510), (46, 387400), (50, 356408), (52, 342700), (65, 274160), (80, 222755), (92, 193700), (100, 178204), (104, 171350), (115, 154960), (130, 137080), (149, 119600), (184, 96850), (200, 89102), (208, 85675), (230, 77480), (260, 68540), (298, 59800), (299, 59600), (325, 54832), (368, 48425), (400, 44551), (460, 38740), (520, 34270), (575, 30992), (596, 29900), (598, 29800), (650, 27416), (745, 23920), (920, 19370), (1040, 17135), (1150, 15496), (1192, 14950), (1196, 14900), (1300, 13708), (1490, 11960), (1495, 11920), (1840, 9685), (1937, 9200), (2300, 7748), (2384, 7475), (2392, 7450), (2600, 6854), (2980, 5980), (2990, 5960), (3427, 5200), (3725, 4784), (3874, 4600)]