209367480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1189

約数の個数: 128

約数和(自身を含む): 721198080

約数和(自身を除く): 511830600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 420, 562, 840, 843, 887, 1124, 1405, 1686, 1774, 1967, 2248, 2661, 2810, 3372, 3548, 3934, 4215, 4435, 5322, 5620, 5901, 6209, 6744, 7096, 7868, 8430, 8870, 9835, 10644, 11240, 11802, 12418, 13305, 15736, 16860, 17740, 18627, 19670, 21288, 23604, 24836, 26610, 29505, 31045, 33720, 35480, 37254, 39340, 47208, 49672, 53220, 59010, 62090, 74508, 78680, 93135, 106440, 118020, 124180, 149016, 186270, 236040, 248360, 249247, 372540, 498494, 745080, 747741, 996988, 1246235, 1495482, 1744729, 1993976, 2492470, 2990964, 3489458, 3738705, 4984940, 5234187, 5981928, 6978916, 7477410, 8723645, 9969880, 10468374, 13957832, 14954820, 17447290, 20936748, 26170935, 29909640, 34894580, 41873496, 52341870, 69789160, 104683740, 209367480]

約数ペア:

[(1, 209367480), (2, 104683740), (3, 69789160), (4, 52341870), (5, 41873496), (6, 34894580), (7, 29909640), (8, 26170935), (10, 20936748), (12, 17447290), (14, 14954820), (15, 13957832), (20, 10468374), (21, 9969880), (24, 8723645), (28, 7477410), (30, 6978916), (35, 5981928), (40, 5234187), (42, 4984940), (56, 3738705), (60, 3489458), (70, 2990964), (84, 2492470), (105, 1993976), (120, 1744729), (140, 1495482), (168, 1246235), (210, 996988), (280, 747741), (281, 745080), (420, 498494), (562, 372540), (840, 249247), (843, 248360), (887, 236040), (1124, 186270), (1405, 149016), (1686, 124180), (1774, 118020), (1967, 106440), (2248, 93135), (2661, 78680), (2810, 74508), (3372, 62090), (3548, 59010), (3934, 53220), (4215, 49672), (4435, 47208), (5322, 39340), (5620, 37254), (5901, 35480), (6209, 33720), (6744, 31045), (7096, 29505), (7868, 26610), (8430, 24836), (8870, 23604), (9835, 21288), (10644, 19670), (11240, 18627), (11802, 17740), (12418, 16860), (13305, 15736)]