127090000

素因数分解:

$2^4\times 5^4\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 100

約数和(自身を含む): 313774560

約数和(自身を除く): 186684560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 179, 200, 250, 284, 355, 358, 400, 500, 568, 625, 710, 716, 895, 1000, 1136, 1250, 1420, 1432, 1775, 1790, 2000, 2500, 2840, 2864, 3550, 3580, 4475, 5000, 5680, 7100, 7160, 8875, 8950, 10000, 12709, 14200, 14320, 17750, 17900, 22375, 25418, 28400, 35500, 35800, 44375, 44750, 50836, 63545, 71000, 71600, 88750, 89500, 101672, 111875, 127090, 142000, 177500, 179000, 203344, 223750, 254180, 317725, 355000, 358000, 447500, 508360, 635450, 710000, 895000, 1016720, 1270900, 1588625, 1790000, 2541800, 3177250, 5083600, 6354500, 7943125, 12709000, 15886250, 25418000, 31772500, 63545000, 127090000]

約数ペア:

[(1, 127090000), (2, 63545000), (4, 31772500), (5, 25418000), (8, 15886250), (10, 12709000), (16, 7943125), (20, 6354500), (25, 5083600), (40, 3177250), (50, 2541800), (71, 1790000), (80, 1588625), (100, 1270900), (125, 1016720), (142, 895000), (179, 710000), (200, 635450), (250, 508360), (284, 447500), (355, 358000), (358, 355000), (400, 317725), (500, 254180), (568, 223750), (625, 203344), (710, 179000), (716, 177500), (895, 142000), (1000, 127090), (1136, 111875), (1250, 101672), (1420, 89500), (1432, 88750), (1775, 71600), (1790, 71000), (2000, 63545), (2500, 50836), (2840, 44750), (2864, 44375), (3550, 35800), (3580, 35500), (4475, 28400), (5000, 25418), (5680, 22375), (7100, 17900), (7160, 17750), (8875, 14320), (8950, 14200), (10000, 12709)]