391999440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1037

約数の個数: 160

約数和(自身を含む): 1394839296

約数和(自身を除く): 1002839856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 353, 420, 560, 661, 706, 840, 1059, 1322, 1412, 1680, 1765, 1983, 2118, 2471, 2644, 2824, 3305, 3530, 3966, 4236, 4627, 4942, 5288, 5295, 5648, 6610, 7060, 7413, 7932, 8472, 9254, 9884, 9915, 10576, 10590, 12355, 13220, 13881, 14120, 14826, 15864, 16944, 18508, 19768, 19830, 21180, 23135, 24710, 26440, 27762, 28240, 29652, 31728, 37016, 37065, 39536, 39660, 42360, 46270, 49420, 52880, 55524, 59304, 69405, 74032, 74130, 79320, 84720, 92540, 98840, 111048, 118608, 138810, 148260, 158640, 185080, 197680, 222096, 233333, 277620, 296520, 370160, 466666, 555240, 593040, 699999, 933332, 1110480, 1166665, 1399998, 1633331, 1866664, 2333330, 2799996, 3266662, 3499995, 3733328, 4666660, 4899993, 5599992, 6533324, 6999990, 8166655, 9333320, 9799986, 11199984, 13066648, 13999980, 16333310, 18666640, 19599972, 24499965, 26133296, 27999960, 32666620, 39199944, 48999930, 55999920, 65333240, 78399888, 97999860, 130666480, 195999720, 391999440]

約数ペア:

[(1, 391999440), (2, 195999720), (3, 130666480), (4, 97999860), (5, 78399888), (6, 65333240), (7, 55999920), (8, 48999930), (10, 39199944), (12, 32666620), (14, 27999960), (15, 26133296), (16, 24499965), (20, 19599972), (21, 18666640), (24, 16333310), (28, 13999980), (30, 13066648), (35, 11199984), (40, 9799986), (42, 9333320), (48, 8166655), (56, 6999990), (60, 6533324), (70, 5599992), (80, 4899993), (84, 4666660), (105, 3733328), (112, 3499995), (120, 3266662), (140, 2799996), (168, 2333330), (210, 1866664), (240, 1633331), (280, 1399998), (336, 1166665), (353, 1110480), (420, 933332), (560, 699999), (661, 593040), (706, 555240), (840, 466666), (1059, 370160), (1322, 296520), (1412, 277620), (1680, 233333), (1765, 222096), (1983, 197680), (2118, 185080), (2471, 158640), (2644, 148260), (2824, 138810), (3305, 118608), (3530, 111048), (3966, 98840), (4236, 92540), (4627, 84720), (4942, 79320), (5288, 74130), (5295, 74032), (5648, 69405), (6610, 59304), (7060, 55524), (7413, 52880), (7932, 49420), (8472, 46270), (9254, 42360), (9884, 39660), (9915, 39536), (10576, 37065), (10590, 37016), (12355, 31728), (13220, 29652), (13881, 28240), (14120, 27762), (14826, 26440), (15864, 24710), (16944, 23135), (18508, 21180), (19768, 19830)]