1390899888

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{197123}}^1$

素因数の和:197151

約数の個数: 90

約数和(自身を含む): 4528135404

約数和(自身を除く): 3137235516

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 197123, 394246, 591369, 788492, 1182738, 1379861, 1576984, 1774107, 2365476, 2759722, 3153968, 3548214, 4139583, 4730952, 5519444, 7096428, 8279166, 9461904, 9659027, 11038888, 12418749, 14192856, 16558332, 19318054, 22077776, 24837498, 28385712, 28977081, 33116664, 38636108, 49674996, 57954162, 66233328, 77272216, 86931243, 99349992, 115908324, 154544432, 173862486, 198699984, 231816648, 347724972, 463633296, 695449944, 1390899888]

約数ペア:

[(1, 1390899888), (2, 695449944), (3, 463633296), (4, 347724972), (6, 231816648), (7, 198699984), (8, 173862486), (9, 154544432), (12, 115908324), (14, 99349992), (16, 86931243), (18, 77272216), (21, 66233328), (24, 57954162), (28, 49674996), (36, 38636108), (42, 33116664), (48, 28977081), (49, 28385712), (56, 24837498), (63, 22077776), (72, 19318054), (84, 16558332), (98, 14192856), (112, 12418749), (126, 11038888), (144, 9659027), (147, 9461904), (168, 8279166), (196, 7096428), (252, 5519444), (294, 4730952), (336, 4139583), (392, 3548214), (441, 3153968), (504, 2759722), (588, 2365476), (784, 1774107), (882, 1576984), (1008, 1379861), (1176, 1182738), (1764, 788492), (2352, 591369), (3528, 394246), (7056, 197123)]