1907908520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 4995648000

約数和(自身を除く): 3087739480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 199, 280, 353, 388, 398, 485, 679, 706, 776, 796, 970, 995, 1358, 1393, 1412, 1592, 1765, 1940, 1990, 2471, 2716, 2786, 2824, 3395, 3530, 3880, 3980, 4942, 5432, 5572, 6790, 6965, 7060, 7960, 9884, 11144, 12355, 13580, 13930, 14120, 19303, 19768, 24710, 27160, 27860, 34241, 38606, 49420, 55720, 68482, 70247, 77212, 96515, 98840, 135121, 136964, 140494, 154424, 171205, 193030, 239687, 270242, 273928, 280988, 342410, 351235, 386060, 479374, 491729, 540484, 561976, 675605, 684820, 702470, 772120, 958748, 983458, 1080968, 1198435, 1351210, 1369640, 1404940, 1917496, 1966916, 2396870, 2458645, 2702420, 2809880, 3933832, 4793740, 4917290, 5404840, 6813959, 9587480, 9834580, 13627918, 19669160, 27255836, 34069795, 47697713, 54511672, 68139590, 95395426, 136279180, 190790852, 238488565, 272558360, 381581704, 476977130, 953954260, 1907908520]

約数ペア:

[(1, 1907908520), (2, 953954260), (4, 476977130), (5, 381581704), (7, 272558360), (8, 238488565), (10, 190790852), (14, 136279180), (20, 95395426), (28, 68139590), (35, 54511672), (40, 47697713), (56, 34069795), (70, 27255836), (97, 19669160), (140, 13627918), (194, 9834580), (199, 9587480), (280, 6813959), (353, 5404840), (388, 4917290), (398, 4793740), (485, 3933832), (679, 2809880), (706, 2702420), (776, 2458645), (796, 2396870), (970, 1966916), (995, 1917496), (1358, 1404940), (1393, 1369640), (1412, 1351210), (1592, 1198435), (1765, 1080968), (1940, 983458), (1990, 958748), (2471, 772120), (2716, 702470), (2786, 684820), (2824, 675605), (3395, 561976), (3530, 540484), (3880, 491729), (3980, 479374), (4942, 386060), (5432, 351235), (5572, 342410), (6790, 280988), (6965, 273928), (7060, 270242), (7960, 239687), (9884, 193030), (11144, 171205), (12355, 154424), (13580, 140494), (13930, 136964), (14120, 135121), (19303, 98840), (19768, 96515), (24710, 77212), (27160, 70247), (27860, 68482), (34241, 55720), (38606, 49420)]