309879808

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2587

約数の個数: 88

約数和(自身を含む): 749889792

約数和(自身を除く): 440009984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1024, 1088, 1792, 1904, 2176, 2543, 3584, 3808, 4352, 5086, 7168, 7616, 8704, 10172, 15232, 17408, 17801, 20344, 30464, 35602, 40688, 43231, 60928, 71204, 81376, 86462, 121856, 142408, 162752, 172924, 284816, 302617, 325504, 345848, 569632, 605234, 651008, 691696, 1139264, 1210468, 1302016, 1383392, 2278528, 2420936, 2604032, 2766784, 4557056, 4841872, 5533568, 9114112, 9683744, 11067136, 18228224, 19367488, 22134272, 38734976, 44268544, 77469952, 154939904, 309879808]

約数ペア:

[(1, 309879808), (2, 154939904), (4, 77469952), (7, 44268544), (8, 38734976), (14, 22134272), (16, 19367488), (17, 18228224), (28, 11067136), (32, 9683744), (34, 9114112), (56, 5533568), (64, 4841872), (68, 4557056), (112, 2766784), (119, 2604032), (128, 2420936), (136, 2278528), (224, 1383392), (238, 1302016), (256, 1210468), (272, 1139264), (448, 691696), (476, 651008), (512, 605234), (544, 569632), (896, 345848), (952, 325504), (1024, 302617), (1088, 284816), (1792, 172924), (1904, 162752), (2176, 142408), (2543, 121856), (3584, 86462), (3808, 81376), (4352, 71204), (5086, 60928), (7168, 43231), (7616, 40688), (8704, 35602), (10172, 30464), (15232, 20344), (17408, 17801)]