782000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 80

約数和(自身を含む): 2089152

約数和(自身を除く): 1307152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 125, 136, 170, 184, 200, 230, 250, 272, 340, 368, 391, 400, 425, 460, 500, 575, 680, 782, 850, 920, 1000, 1150, 1360, 1564, 1700, 1840, 1955, 2000, 2125, 2300, 2875, 3128, 3400, 3910, 4250, 4600, 5750, 6256, 6800, 7820, 8500, 9200, 9775, 11500, 15640, 17000, 19550, 23000, 31280, 34000, 39100, 46000, 48875, 78200, 97750, 156400, 195500, 391000, 782000]

約数ペア:

[(1, 782000), (2, 391000), (4, 195500), (5, 156400), (8, 97750), (10, 78200), (16, 48875), (17, 46000), (20, 39100), (23, 34000), (25, 31280), (34, 23000), (40, 19550), (46, 17000), (50, 15640), (68, 11500), (80, 9775), (85, 9200), (92, 8500), (100, 7820), (115, 6800), (125, 6256), (136, 5750), (170, 4600), (184, 4250), (200, 3910), (230, 3400), (250, 3128), (272, 2875), (340, 2300), (368, 2125), (391, 2000), (400, 1955), (425, 1840), (460, 1700), (500, 1564), (575, 1360), (680, 1150), (782, 1000), (850, 920)]