257243840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2866

約数の個数: 112

約数和(自身を含む): 717401664

約数和(自身を除く): 460157824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 656, 820, 1120, 1148, 1312, 1435, 1640, 2240, 2296, 2624, 2801, 2870, 3280, 4592, 5602, 5740, 6560, 9184, 11204, 11480, 13120, 14005, 18368, 19607, 22408, 22960, 28010, 39214, 44816, 45920, 56020, 78428, 89632, 91840, 98035, 112040, 114841, 156856, 179264, 196070, 224080, 229682, 313712, 392140, 448160, 459364, 574205, 627424, 784280, 803887, 896320, 918728, 1148410, 1254848, 1568560, 1607774, 1837456, 2296820, 3137120, 3215548, 3674912, 4019435, 4593640, 6274240, 6431096, 7349824, 8038870, 9187280, 12862192, 16077740, 18374560, 25724384, 32155480, 36749120, 51448768, 64310960, 128621920, 257243840]

約数ペア:

[(1, 257243840), (2, 128621920), (4, 64310960), (5, 51448768), (7, 36749120), (8, 32155480), (10, 25724384), (14, 18374560), (16, 16077740), (20, 12862192), (28, 9187280), (32, 8038870), (35, 7349824), (40, 6431096), (41, 6274240), (56, 4593640), (64, 4019435), (70, 3674912), (80, 3215548), (82, 3137120), (112, 2296820), (140, 1837456), (160, 1607774), (164, 1568560), (205, 1254848), (224, 1148410), (280, 918728), (287, 896320), (320, 803887), (328, 784280), (410, 627424), (448, 574205), (560, 459364), (574, 448160), (656, 392140), (820, 313712), (1120, 229682), (1148, 224080), (1312, 196070), (1435, 179264), (1640, 156856), (2240, 114841), (2296, 112040), (2624, 98035), (2801, 91840), (2870, 89632), (3280, 78428), (4592, 56020), (5602, 45920), (5740, 44816), (6560, 39214), (9184, 28010), (11204, 22960), (11480, 22408), (13120, 19607), (14005, 18368)]