400148992

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1549

約数の個数: 80

約数和(自身を含む): 874444032

約数和(自身を除く): 474295040

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 992, 1054, 1088, 1483, 1984, 2108, 2176, 2966, 3968, 4216, 4352, 5932, 7936, 8432, 8704, 11864, 15872, 16864, 23728, 25211, 33728, 45973, 47456, 50422, 67456, 91946, 94912, 100844, 134912, 183892, 189824, 201688, 269824, 367784, 379648, 403376, 735568, 759296, 781541, 806752, 1471136, 1563082, 1613504, 2942272, 3126164, 3227008, 5884544, 6252328, 6454016, 11769088, 12504656, 12908032, 23538176, 25009312, 50018624, 100037248, 200074496, 400148992]

約数ペア:

[(1, 400148992), (2, 200074496), (4, 100037248), (8, 50018624), (16, 25009312), (17, 23538176), (31, 12908032), (32, 12504656), (34, 11769088), (62, 6454016), (64, 6252328), (68, 5884544), (124, 3227008), (128, 3126164), (136, 2942272), (248, 1613504), (256, 1563082), (272, 1471136), (496, 806752), (512, 781541), (527, 759296), (544, 735568), (992, 403376), (1054, 379648), (1088, 367784), (1483, 269824), (1984, 201688), (2108, 189824), (2176, 183892), (2966, 134912), (3968, 100844), (4216, 94912), (4352, 91946), (5932, 67456), (7936, 50422), (8432, 47456), (8704, 45973), (11864, 33728), (15872, 25211), (16864, 23728)]