221657100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1789}}^1$

素因数の和:1872

約数の個数: 144

約数和(自身を含む): 745785600

約数和(自身を除く): 524128500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 59, 60, 70, 75, 84, 100, 105, 118, 140, 150, 175, 177, 210, 236, 295, 300, 350, 354, 413, 420, 525, 590, 700, 708, 826, 885, 1050, 1180, 1239, 1475, 1652, 1770, 1789, 2065, 2100, 2478, 2950, 3540, 3578, 4130, 4425, 4956, 5367, 5900, 6195, 7156, 8260, 8850, 8945, 10325, 10734, 12390, 12523, 17700, 17890, 20650, 21468, 24780, 25046, 26835, 30975, 35780, 37569, 41300, 44725, 50092, 53670, 61950, 62615, 75138, 89450, 105551, 107340, 123900, 125230, 134175, 150276, 178900, 187845, 211102, 250460, 268350, 313075, 316653, 375690, 422204, 527755, 536700, 626150, 633306, 738857, 751380, 939225, 1055510, 1252300, 1266612, 1477714, 1583265, 1878450, 2111020, 2216571, 2638775, 2955428, 3166530, 3694285, 3756900, 4433142, 5277550, 6333060, 7388570, 7916325, 8866284, 10555100, 11082855, 14777140, 15832650, 18471425, 22165710, 31665300, 36942850, 44331420, 55414275, 73885700, 110828550, 221657100]

約数ペア:

[(1, 221657100), (2, 110828550), (3, 73885700), (4, 55414275), (5, 44331420), (6, 36942850), (7, 31665300), (10, 22165710), (12, 18471425), (14, 15832650), (15, 14777140), (20, 11082855), (21, 10555100), (25, 8866284), (28, 7916325), (30, 7388570), (35, 6333060), (42, 5277550), (50, 4433142), (59, 3756900), (60, 3694285), (70, 3166530), (75, 2955428), (84, 2638775), (100, 2216571), (105, 2111020), (118, 1878450), (140, 1583265), (150, 1477714), (175, 1266612), (177, 1252300), (210, 1055510), (236, 939225), (295, 751380), (300, 738857), (350, 633306), (354, 626150), (413, 536700), (420, 527755), (525, 422204), (590, 375690), (700, 316653), (708, 313075), (826, 268350), (885, 250460), (1050, 211102), (1180, 187845), (1239, 178900), (1475, 150276), (1652, 134175), (1770, 125230), (1789, 123900), (2065, 107340), (2100, 105551), (2478, 89450), (2950, 75138), (3540, 62615), (3578, 61950), (4130, 53670), (4425, 50092), (4956, 44725), (5367, 41300), (5900, 37569), (6195, 35780), (7156, 30975), (8260, 26835), (8850, 25046), (8945, 24780), (10325, 21468), (10734, 20650), (12390, 17890), (12523, 17700)]