1995909440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4523}}^1$

素因数の和:4744

約数の個数: 112

約数和(自身を含む): 5460504192

約数和(自身を除く): 3464594752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 788, 985, 1120, 1379, 1576, 1970, 2240, 2758, 3152, 3940, 4523, 5516, 6304, 6895, 7880, 9046, 11032, 12608, 13790, 15760, 18092, 22064, 22615, 27580, 31520, 31661, 36184, 44128, 45230, 55160, 63040, 63322, 72368, 88256, 90460, 110320, 126644, 144736, 158305, 180920, 220640, 253288, 289472, 316610, 361840, 441280, 506576, 633220, 723680, 891031, 1013152, 1266440, 1447360, 1782062, 2026304, 2532880, 3564124, 4455155, 5065760, 6237217, 7128248, 8910310, 10131520, 12474434, 14256496, 17820620, 24948868, 28512992, 31186085, 35641240, 49897736, 57025984, 62372170, 71282480, 99795472, 124744340, 142564960, 199590944, 249488680, 285129920, 399181888, 498977360, 997954720, 1995909440]

約数ペア:

[(1, 1995909440), (2, 997954720), (4, 498977360), (5, 399181888), (7, 285129920), (8, 249488680), (10, 199590944), (14, 142564960), (16, 124744340), (20, 99795472), (28, 71282480), (32, 62372170), (35, 57025984), (40, 49897736), (56, 35641240), (64, 31186085), (70, 28512992), (80, 24948868), (112, 17820620), (140, 14256496), (160, 12474434), (197, 10131520), (224, 8910310), (280, 7128248), (320, 6237217), (394, 5065760), (448, 4455155), (560, 3564124), (788, 2532880), (985, 2026304), (1120, 1782062), (1379, 1447360), (1576, 1266440), (1970, 1013152), (2240, 891031), (2758, 723680), (3152, 633220), (3940, 506576), (4523, 441280), (5516, 361840), (6304, 316610), (6895, 289472), (7880, 253288), (9046, 220640), (11032, 180920), (12608, 158305), (13790, 144736), (15760, 126644), (18092, 110320), (22064, 90460), (22615, 88256), (27580, 72368), (31520, 63322), (31661, 63040), (36184, 55160), (44128, 45230)]