281843072

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 676300800

約数和(自身を除く): 394457728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 73, 112, 124, 128, 139, 146, 217, 224, 248, 278, 292, 434, 448, 496, 511, 556, 584, 868, 896, 973, 992, 1022, 1112, 1168, 1736, 1946, 1984, 2044, 2224, 2263, 2336, 3472, 3892, 3968, 4088, 4309, 4448, 4526, 4672, 6944, 7784, 8176, 8618, 8896, 9052, 9344, 10147, 13888, 15568, 15841, 16352, 17236, 17792, 18104, 20294, 27776, 30163, 31136, 31682, 32704, 34472, 36208, 40588, 60326, 62272, 63364, 65408, 68944, 71029, 72416, 81176, 120652, 124544, 126728, 137888, 142058, 144832, 162352, 241304, 253456, 275776, 284116, 289664, 314557, 324704, 482608, 506912, 551552, 568232, 629114, 649408, 965216, 1013824, 1136464, 1258228, 1298816, 1930432, 2027648, 2201899, 2272928, 2516456, 3860864, 4403798, 4545856, 5032912, 8807596, 9091712, 10065824, 17615192, 20131648, 35230384, 40263296, 70460768, 140921536, 281843072]

約数ペア:

[(1, 281843072), (2, 140921536), (4, 70460768), (7, 40263296), (8, 35230384), (14, 20131648), (16, 17615192), (28, 10065824), (31, 9091712), (32, 8807596), (56, 5032912), (62, 4545856), (64, 4403798), (73, 3860864), (112, 2516456), (124, 2272928), (128, 2201899), (139, 2027648), (146, 1930432), (217, 1298816), (224, 1258228), (248, 1136464), (278, 1013824), (292, 965216), (434, 649408), (448, 629114), (496, 568232), (511, 551552), (556, 506912), (584, 482608), (868, 324704), (896, 314557), (973, 289664), (992, 284116), (1022, 275776), (1112, 253456), (1168, 241304), (1736, 162352), (1946, 144832), (1984, 142058), (2044, 137888), (2224, 126728), (2263, 124544), (2336, 120652), (3472, 81176), (3892, 72416), (3968, 71029), (4088, 68944), (4309, 65408), (4448, 63364), (4526, 62272), (4672, 60326), (6944, 40588), (7784, 36208), (8176, 34472), (8618, 32704), (8896, 31682), (9052, 31136), (9344, 30163), (10147, 27776), (13888, 20294), (15568, 18104), (15841, 17792), (16352, 17236)]