204178500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 688591176

約数和(自身を除く): 484412676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 125, 150, 153, 157, 170, 180, 204, 225, 250, 255, 289, 300, 306, 314, 340, 375, 425, 450, 471, 500, 510, 578, 612, 628, 750, 765, 785, 850, 867, 900, 942, 1020, 1125, 1156, 1275, 1413, 1445, 1500, 1530, 1570, 1700, 1734, 1884, 2125, 2250, 2355, 2550, 2601, 2669, 2826, 2890, 3060, 3140, 3468, 3825, 3925, 4250, 4335, 4500, 4710, 5100, 5202, 5338, 5652, 5780, 6375, 7065, 7225, 7650, 7850, 8007, 8500, 8670, 9420, 10404, 10676, 11775, 12750, 13005, 13345, 14130, 14450, 15300, 15700, 16014, 17340, 19125, 19625, 21675, 23550, 24021, 25500, 26010, 26690, 28260, 28900, 32028, 35325, 36125, 38250, 39250, 40035, 43350, 45373, 47100, 48042, 52020, 53380, 58875, 65025, 66725, 70650, 72250, 76500, 78500, 80070, 86700, 90746, 96084, 108375, 117750, 120105, 130050, 133450, 136119, 141300, 144500, 160140, 176625, 181492, 200175, 216750, 226865, 235500, 240210, 260100, 266900, 272238, 325125, 333625, 353250, 400350, 408357, 433500, 453730, 480420, 544476, 600525, 650250, 667250, 680595, 706500, 800700, 816714, 907460, 1000875, 1134325, 1201050, 1300500, 1334500, 1361190, 1633428, 2001750, 2041785, 2268650, 2402100, 2722380, 3002625, 3402975, 4003500, 4083570, 4537300, 5671625, 6005250, 6805950, 8167140, 10208925, 11343250, 12010500, 13611900, 17014875, 20417850, 22686500, 34029750, 40835700, 51044625, 68059500, 102089250, 204178500]

約数ペア:

[(1, 204178500), (2, 102089250), (3, 68059500), (4, 51044625), (5, 40835700), (6, 34029750), (9, 22686500), (10, 20417850), (12, 17014875), (15, 13611900), (17, 12010500), (18, 11343250), (20, 10208925), (25, 8167140), (30, 6805950), (34, 6005250), (36, 5671625), (45, 4537300), (50, 4083570), (51, 4003500), (60, 3402975), (68, 3002625), (75, 2722380), (85, 2402100), (90, 2268650), (100, 2041785), (102, 2001750), (125, 1633428), (150, 1361190), (153, 1334500), (157, 1300500), (170, 1201050), (180, 1134325), (204, 1000875), (225, 907460), (250, 816714), (255, 800700), (289, 706500), (300, 680595), (306, 667250), (314, 650250), (340, 600525), (375, 544476), (425, 480420), (450, 453730), (471, 433500), (500, 408357), (510, 400350), (578, 353250), (612, 333625), (628, 325125), (750, 272238), (765, 266900), (785, 260100), (850, 240210), (867, 235500), (900, 226865), (942, 216750), (1020, 200175), (1125, 181492), (1156, 176625), (1275, 160140), (1413, 144500), (1445, 141300), (1500, 136119), (1530, 133450), (1570, 130050), (1700, 120105), (1734, 117750), (1884, 108375), (2125, 96084), (2250, 90746), (2355, 86700), (2550, 80070), (2601, 78500), (2669, 76500), (2826, 72250), (2890, 70650), (3060, 66725), (3140, 65025), (3468, 58875), (3825, 53380), (3925, 52020), (4250, 48042), (4335, 47100), (4500, 45373), (4710, 43350), (5100, 40035), (5202, 39250), (5338, 38250), (5652, 36125), (5780, 35325), (6375, 32028), (7065, 28900), (7225, 28260), (7650, 26690), (7850, 26010), (8007, 25500), (8500, 24021), (8670, 23550), (9420, 21675), (10404, 19625), (10676, 19125), (11775, 17340), (12750, 16014), (13005, 15700), (13345, 15300), (14130, 14450)]