290881494

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 680818944

約数和(自身を除く): 389937450

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 73, 74, 93, 111, 146, 186, 193, 219, 222, 279, 333, 386, 438, 558, 579, 657, 666, 1147, 1158, 1314, 1737, 2263, 2294, 2701, 3441, 3474, 4526, 5402, 5983, 6789, 6882, 7141, 8103, 10323, 11966, 13578, 14089, 14282, 16206, 17949, 20367, 20646, 21423, 24309, 28178, 35898, 40734, 42267, 42846, 48618, 53847, 64269, 83731, 84534, 107694, 126801, 128538, 167462, 221371, 251193, 253602, 436759, 442742, 502386, 521293, 664113, 753579, 873518, 1042586, 1310277, 1328226, 1507158, 1563879, 1992339, 2620554, 3127758, 3930831, 3984678, 4691637, 7861662, 9383274, 16160083, 32320166, 48480249, 96960498, 145440747, 290881494]

約数ペア:

[(1, 290881494), (2, 145440747), (3, 96960498), (6, 48480249), (9, 32320166), (18, 16160083), (31, 9383274), (37, 7861662), (62, 4691637), (73, 3984678), (74, 3930831), (93, 3127758), (111, 2620554), (146, 1992339), (186, 1563879), (193, 1507158), (219, 1328226), (222, 1310277), (279, 1042586), (333, 873518), (386, 753579), (438, 664113), (558, 521293), (579, 502386), (657, 442742), (666, 436759), (1147, 253602), (1158, 251193), (1314, 221371), (1737, 167462), (2263, 128538), (2294, 126801), (2701, 107694), (3441, 84534), (3474, 83731), (4526, 64269), (5402, 53847), (5983, 48618), (6789, 42846), (6882, 42267), (7141, 40734), (8103, 35898), (10323, 28178), (11966, 24309), (13578, 21423), (14089, 20646), (14282, 20367), (16206, 17949)]