280329000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^2\times {\mathrm{1907}}^1$

素因数の和:1945

約数の個数: 192

約数和(自身を含む): 1017956160

約数和(自身を除く): 737627160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 125, 140, 147, 150, 168, 175, 196, 200, 210, 245, 250, 280, 294, 300, 350, 375, 392, 420, 490, 500, 525, 588, 600, 700, 735, 750, 840, 875, 980, 1000, 1050, 1176, 1225, 1400, 1470, 1500, 1750, 1907, 1960, 2100, 2450, 2625, 2940, 3000, 3500, 3675, 3814, 4200, 4900, 5250, 5721, 5880, 6125, 7000, 7350, 7628, 9535, 9800, 10500, 11442, 12250, 13349, 14700, 15256, 18375, 19070, 21000, 22884, 24500, 26698, 28605, 29400, 36750, 38140, 40047, 45768, 47675, 49000, 53396, 57210, 66745, 73500, 76280, 80094, 93443, 95350, 106792, 114420, 133490, 143025, 147000, 160188, 186886, 190700, 200235, 228840, 238375, 266980, 280329, 286050, 320376, 333725, 373772, 381400, 400470, 467215, 476750, 533960, 560658, 572100, 667450, 715125, 747544, 800940, 934430, 953500, 1001175, 1121316, 1144200, 1334900, 1401645, 1430250, 1601880, 1668625, 1868860, 1907000, 2002350, 2242632, 2336075, 2669800, 2803290, 2860500, 3337250, 3737720, 4004700, 4672150, 5005875, 5606580, 5721000, 6674500, 7008225, 8009400, 9344300, 10011750, 11213160, 11680375, 13349000, 14016450, 18688600, 20023500, 23360750, 28032900, 35041125, 40047000, 46721500, 56065800, 70082250, 93443000, 140164500, 280329000]

約数ペア:

[(1, 280329000), (2, 140164500), (3, 93443000), (4, 70082250), (5, 56065800), (6, 46721500), (7, 40047000), (8, 35041125), (10, 28032900), (12, 23360750), (14, 20023500), (15, 18688600), (20, 14016450), (21, 13349000), (24, 11680375), (25, 11213160), (28, 10011750), (30, 9344300), (35, 8009400), (40, 7008225), (42, 6674500), (49, 5721000), (50, 5606580), (56, 5005875), (60, 4672150), (70, 4004700), (75, 3737720), (84, 3337250), (98, 2860500), (100, 2803290), (105, 2669800), (120, 2336075), (125, 2242632), (140, 2002350), (147, 1907000), (150, 1868860), (168, 1668625), (175, 1601880), (196, 1430250), (200, 1401645), (210, 1334900), (245, 1144200), (250, 1121316), (280, 1001175), (294, 953500), (300, 934430), (350, 800940), (375, 747544), (392, 715125), (420, 667450), (490, 572100), (500, 560658), (525, 533960), (588, 476750), (600, 467215), (700, 400470), (735, 381400), (750, 373772), (840, 333725), (875, 320376), (980, 286050), (1000, 280329), (1050, 266980), (1176, 238375), (1225, 228840), (1400, 200235), (1470, 190700), (1500, 186886), (1750, 160188), (1907, 147000), (1960, 143025), (2100, 133490), (2450, 114420), (2625, 106792), (2940, 95350), (3000, 93443), (3500, 80094), (3675, 76280), (3814, 73500), (4200, 66745), (4900, 57210), (5250, 53396), (5721, 49000), (5880, 47675), (6125, 45768), (7000, 40047), (7350, 38140), (7628, 36750), (9535, 29400), (9800, 28605), (10500, 26698), (11442, 24500), (12250, 22884), (13349, 21000), (14700, 19070), (15256, 18375)]