391065280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71887}}^1$

素因数の和:71921

約数の個数: 56

約数和(自身を含む): 986015808

約数和(自身を除く): 594950528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 71887, 143774, 287548, 359435, 575096, 718870, 1150192, 1222079, 1437740, 2300384, 2444158, 2875480, 4600768, 4888316, 5750960, 6110395, 9776632, 11501920, 12220790, 19553264, 23003840, 24441580, 39106528, 48883160, 78213056, 97766320, 195532640, 391065280]

約数ペア:

[(1, 391065280), (2, 195532640), (4, 97766320), (5, 78213056), (8, 48883160), (10, 39106528), (16, 24441580), (17, 23003840), (20, 19553264), (32, 12220790), (34, 11501920), (40, 9776632), (64, 6110395), (68, 5750960), (80, 4888316), (85, 4600768), (136, 2875480), (160, 2444158), (170, 2300384), (272, 1437740), (320, 1222079), (340, 1150192), (544, 718870), (680, 575096), (1088, 359435), (1360, 287548), (2720, 143774), (5440, 71887)]