664666000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 160

約数和(自身を含む): 1726684128

約数和(自身を除く): 1062018128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 113, 125, 136, 170, 173, 200, 226, 250, 272, 340, 346, 400, 425, 452, 500, 565, 680, 692, 850, 865, 904, 1000, 1130, 1360, 1384, 1700, 1730, 1808, 1921, 2000, 2125, 2260, 2768, 2825, 2941, 3400, 3460, 3842, 4250, 4325, 4520, 5650, 5882, 6800, 6920, 7684, 8500, 8650, 9040, 9605, 11300, 11764, 13840, 14125, 14705, 15368, 17000, 17300, 19210, 19549, 21625, 22600, 23528, 28250, 29410, 30736, 34000, 34600, 38420, 39098, 43250, 45200, 47056, 48025, 56500, 58820, 69200, 73525, 76840, 78196, 86500, 96050, 97745, 113000, 117640, 147050, 153680, 156392, 173000, 192100, 195490, 226000, 235280, 240125, 294100, 312784, 332333, 346000, 367625, 384200, 390980, 480250, 488725, 588200, 664666, 735250, 768400, 781960, 960500, 977450, 1176400, 1329332, 1470500, 1563920, 1661665, 1921000, 1954900, 2443625, 2658664, 2941000, 3323330, 3842000, 3909800, 4887250, 5317328, 5882000, 6646660, 7819600, 8308325, 9774500, 13293320, 16616650, 19549000, 26586640, 33233300, 39098000, 41541625, 66466600, 83083250, 132933200, 166166500, 332333000, 664666000]

約数ペア:

[(1, 664666000), (2, 332333000), (4, 166166500), (5, 132933200), (8, 83083250), (10, 66466600), (16, 41541625), (17, 39098000), (20, 33233300), (25, 26586640), (34, 19549000), (40, 16616650), (50, 13293320), (68, 9774500), (80, 8308325), (85, 7819600), (100, 6646660), (113, 5882000), (125, 5317328), (136, 4887250), (170, 3909800), (173, 3842000), (200, 3323330), (226, 2941000), (250, 2658664), (272, 2443625), (340, 1954900), (346, 1921000), (400, 1661665), (425, 1563920), (452, 1470500), (500, 1329332), (565, 1176400), (680, 977450), (692, 960500), (850, 781960), (865, 768400), (904, 735250), (1000, 664666), (1130, 588200), (1360, 488725), (1384, 480250), (1700, 390980), (1730, 384200), (1808, 367625), (1921, 346000), (2000, 332333), (2125, 312784), (2260, 294100), (2768, 240125), (2825, 235280), (2941, 226000), (3400, 195490), (3460, 192100), (3842, 173000), (4250, 156392), (4325, 153680), (4520, 147050), (5650, 117640), (5882, 113000), (6800, 97745), (6920, 96050), (7684, 86500), (8500, 78196), (8650, 76840), (9040, 73525), (9605, 69200), (11300, 58820), (11764, 56500), (13840, 48025), (14125, 47056), (14705, 45200), (15368, 43250), (17000, 39098), (17300, 38420), (19210, 34600), (19549, 34000), (21625, 30736), (22600, 29410), (23528, 28250)]