290428488

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 921922560

約数和(自身を除く): 631494072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 191, 196, 252, 294, 382, 392, 431, 441, 504, 573, 588, 764, 862, 882, 1146, 1176, 1293, 1337, 1528, 1719, 1724, 1764, 2292, 2586, 2674, 3017, 3438, 3448, 3528, 3879, 4011, 4584, 5172, 5348, 6034, 6876, 7758, 8022, 9051, 9359, 10344, 10696, 12033, 12068, 13752, 15516, 16044, 18102, 18718, 21119, 24066, 24136, 27153, 28077, 31032, 32088, 36204, 37436, 42238, 48132, 54306, 56154, 63357, 72408, 74872, 82321, 84231, 84476, 96264, 108612, 112308, 126714, 164642, 168462, 168952, 190071, 217224, 224616, 246963, 253428, 329284, 336924, 380142, 493926, 506856, 576247, 658568, 673848, 740889, 760284, 987852, 1152494, 1481778, 1520568, 1728741, 1975704, 2304988, 2963556, 3457482, 4033729, 4609976, 5186223, 5927112, 6914964, 8067458, 10372446, 12101187, 13829928, 16134916, 20744892, 24202374, 32269832, 36303561, 41489784, 48404748, 72607122, 96809496, 145214244, 290428488]

約数ペア:

[(1, 290428488), (2, 145214244), (3, 96809496), (4, 72607122), (6, 48404748), (7, 41489784), (8, 36303561), (9, 32269832), (12, 24202374), (14, 20744892), (18, 16134916), (21, 13829928), (24, 12101187), (28, 10372446), (36, 8067458), (42, 6914964), (49, 5927112), (56, 5186223), (63, 4609976), (72, 4033729), (84, 3457482), (98, 2963556), (126, 2304988), (147, 1975704), (168, 1728741), (191, 1520568), (196, 1481778), (252, 1152494), (294, 987852), (382, 760284), (392, 740889), (431, 673848), (441, 658568), (504, 576247), (573, 506856), (588, 493926), (764, 380142), (862, 336924), (882, 329284), (1146, 253428), (1176, 246963), (1293, 224616), (1337, 217224), (1528, 190071), (1719, 168952), (1724, 168462), (1764, 164642), (2292, 126714), (2586, 112308), (2674, 108612), (3017, 96264), (3438, 84476), (3448, 84231), (3528, 82321), (3879, 74872), (4011, 72408), (4584, 63357), (5172, 56154), (5348, 54306), (6034, 48132), (6876, 42238), (7758, 37436), (8022, 36204), (9051, 32088), (9359, 31032), (10344, 28077), (10696, 27153), (12033, 24136), (12068, 24066), (13752, 21119), (15516, 18718), (16044, 18102)]