399945210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{51473}}^1$

素因数の和:51527

約数の個数: 64

約数和(自身を含む): 1126662912

約数和(自身を除く): 726717702

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3885, 7770, 51473, 102946, 154419, 257365, 308838, 360311, 514730, 720622, 772095, 1080933, 1544190, 1801555, 1904501, 2161866, 3603110, 3809002, 5404665, 5713503, 9522505, 10809330, 11427006, 13331507, 19045010, 26663014, 28567515, 39994521, 57135030, 66657535, 79989042, 133315070, 199972605, 399945210]

約数ペア:

[(1, 399945210), (2, 199972605), (3, 133315070), (5, 79989042), (6, 66657535), (7, 57135030), (10, 39994521), (14, 28567515), (15, 26663014), (21, 19045010), (30, 13331507), (35, 11427006), (37, 10809330), (42, 9522505), (70, 5713503), (74, 5404665), (105, 3809002), (111, 3603110), (185, 2161866), (210, 1904501), (222, 1801555), (259, 1544190), (370, 1080933), (518, 772095), (555, 720622), (777, 514730), (1110, 360311), (1295, 308838), (1554, 257365), (2590, 154419), (3885, 102946), (7770, 51473)]