400196608

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1859

約数の個数: 88

約数和(自身を含む): 944305664

約数和(自身を除く): 544109056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1736, 1792, 1801, 1984, 3472, 3584, 3602, 3968, 6944, 7168, 7204, 7936, 12607, 13888, 14408, 15872, 25214, 27776, 28816, 31744, 50428, 55552, 55831, 57632, 100856, 111104, 111662, 115264, 201712, 222208, 223324, 230528, 390817, 403424, 446648, 461056, 781634, 806848, 893296, 922112, 1563268, 1613696, 1786592, 1844224, 3126536, 3227392, 3573184, 6253072, 6454784, 7146368, 12506144, 12909568, 14292736, 25012288, 28585472, 50024576, 57170944, 100049152, 200098304, 400196608]

約数ペア:

[(1, 400196608), (2, 200098304), (4, 100049152), (7, 57170944), (8, 50024576), (14, 28585472), (16, 25012288), (28, 14292736), (31, 12909568), (32, 12506144), (56, 7146368), (62, 6454784), (64, 6253072), (112, 3573184), (124, 3227392), (128, 3126536), (217, 1844224), (224, 1786592), (248, 1613696), (256, 1563268), (434, 922112), (448, 893296), (496, 806848), (512, 781634), (868, 461056), (896, 446648), (992, 403424), (1024, 390817), (1736, 230528), (1792, 223324), (1801, 222208), (1984, 201712), (3472, 115264), (3584, 111662), (3602, 111104), (3968, 100856), (6944, 57632), (7168, 55831), (7204, 55552), (7936, 50428), (12607, 31744), (13888, 28816), (14408, 27776), (15872, 25214)]