189771088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1620

約数の個数: 80

約数和(自身を含む): 430528000

約数和(自身を除く): 240756912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1549, 1612, 1976, 2356, 3098, 3224, 3952, 4712, 6196, 6448, 7657, 9424, 12392, 15314, 20137, 24784, 29431, 30628, 40274, 48019, 58862, 61256, 80548, 96038, 117724, 122512, 161096, 192076, 235448, 322192, 382603, 384152, 470896, 624247, 765206, 768304, 912361, 1248494, 1530412, 1824722, 2496988, 3060824, 3649444, 4993976, 6121648, 7298888, 9987952, 11860693, 14597776, 23721386, 47442772, 94885544, 189771088]

約数ペア:

[(1, 189771088), (2, 94885544), (4, 47442772), (8, 23721386), (13, 14597776), (16, 11860693), (19, 9987952), (26, 7298888), (31, 6121648), (38, 4993976), (52, 3649444), (62, 3060824), (76, 2496988), (104, 1824722), (124, 1530412), (152, 1248494), (208, 912361), (247, 768304), (248, 765206), (304, 624247), (403, 470896), (494, 384152), (496, 382603), (589, 322192), (806, 235448), (988, 192076), (1178, 161096), (1549, 122512), (1612, 117724), (1976, 96038), (2356, 80548), (3098, 61256), (3224, 58862), (3952, 48019), (4712, 40274), (6196, 30628), (6448, 29431), (7657, 24784), (9424, 20137), (12392, 15314)]