19641300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 66662400

約数和(自身を除く): 47021100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 50, 60, 70, 75, 84, 94, 100, 105, 140, 141, 150, 175, 188, 199, 210, 235, 282, 300, 329, 350, 398, 420, 470, 525, 564, 597, 658, 700, 705, 796, 940, 987, 995, 1050, 1175, 1194, 1316, 1393, 1410, 1645, 1974, 1990, 2100, 2350, 2388, 2786, 2820, 2985, 3290, 3525, 3948, 3980, 4179, 4700, 4935, 4975, 5572, 5970, 6580, 6965, 7050, 8225, 8358, 9353, 9870, 9950, 11940, 13930, 14100, 14925, 16450, 16716, 18706, 19740, 19900, 20895, 24675, 27860, 28059, 29850, 32900, 34825, 37412, 41790, 46765, 49350, 56118, 59700, 65471, 69650, 83580, 93530, 98700, 104475, 112236, 130942, 139300, 140295, 187060, 196413, 208950, 233825, 261884, 280590, 327355, 392826, 417900, 467650, 561180, 654710, 701475, 785652, 935300, 982065, 1309420, 1402950, 1636775, 1964130, 2805900, 3273550, 3928260, 4910325, 6547100, 9820650, 19641300]

約数ペア:

[(1, 19641300), (2, 9820650), (3, 6547100), (4, 4910325), (5, 3928260), (6, 3273550), (7, 2805900), (10, 1964130), (12, 1636775), (14, 1402950), (15, 1309420), (20, 982065), (21, 935300), (25, 785652), (28, 701475), (30, 654710), (35, 561180), (42, 467650), (47, 417900), (50, 392826), (60, 327355), (70, 280590), (75, 261884), (84, 233825), (94, 208950), (100, 196413), (105, 187060), (140, 140295), (141, 139300), (150, 130942), (175, 112236), (188, 104475), (199, 98700), (210, 93530), (235, 83580), (282, 69650), (300, 65471), (329, 59700), (350, 56118), (398, 49350), (420, 46765), (470, 41790), (525, 37412), (564, 34825), (597, 32900), (658, 29850), (700, 28059), (705, 27860), (796, 24675), (940, 20895), (987, 19900), (995, 19740), (1050, 18706), (1175, 16716), (1194, 16450), (1316, 14925), (1393, 14100), (1410, 13930), (1645, 11940), (1974, 9950), (1990, 9870), (2100, 9353), (2350, 8358), (2388, 8225), (2786, 7050), (2820, 6965), (2985, 6580), (3290, 5970), (3525, 5572), (3948, 4975), (3980, 4935), (4179, 4700)]