400287872

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 828403200

約数和(自身を除く): 428115328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 281, 359, 496, 562, 718, 992, 1124, 1436, 1984, 2248, 2872, 3968, 4496, 5744, 8711, 8992, 11129, 11488, 17422, 17984, 22258, 22976, 34844, 35968, 44516, 45952, 69688, 89032, 100879, 139376, 178064, 201758, 278752, 356128, 403516, 557504, 712256, 807032, 1115008, 1424512, 1614064, 3127249, 3228128, 6254498, 6456256, 12508996, 12912512, 25017992, 50035984, 100071968, 200143936, 400287872]

約数ペア:

[(1, 400287872), (2, 200143936), (4, 100071968), (8, 50035984), (16, 25017992), (31, 12912512), (32, 12508996), (62, 6456256), (64, 6254498), (124, 3228128), (128, 3127249), (248, 1614064), (281, 1424512), (359, 1115008), (496, 807032), (562, 712256), (718, 557504), (992, 403516), (1124, 356128), (1436, 278752), (1984, 201758), (2248, 178064), (2872, 139376), (3968, 100879), (4496, 89032), (5744, 69688), (8711, 45952), (8992, 44516), (11129, 35968), (11488, 34844), (17422, 22976), (17984, 22258)]