78982000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 213093504

約数和(自身を除く): 134111504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 101, 115, 125, 136, 170, 184, 200, 202, 230, 250, 272, 340, 368, 391, 400, 404, 425, 460, 500, 505, 575, 680, 782, 808, 850, 920, 1000, 1010, 1150, 1360, 1564, 1616, 1700, 1717, 1840, 1955, 2000, 2020, 2125, 2300, 2323, 2525, 2875, 3128, 3400, 3434, 3910, 4040, 4250, 4600, 4646, 5050, 5750, 6256, 6800, 6868, 7820, 8080, 8500, 8585, 9200, 9292, 9775, 10100, 11500, 11615, 12625, 13736, 15640, 17000, 17170, 18584, 19550, 20200, 23000, 23230, 25250, 27472, 31280, 34000, 34340, 37168, 39100, 39491, 40400, 42925, 46000, 46460, 48875, 50500, 58075, 68680, 78200, 78982, 85850, 92920, 97750, 101000, 116150, 137360, 156400, 157964, 171700, 185840, 195500, 197455, 202000, 214625, 232300, 290375, 315928, 343400, 391000, 394910, 429250, 464600, 580750, 631856, 686800, 782000, 789820, 858500, 929200, 987275, 1161500, 1579640, 1717000, 1974550, 2323000, 3159280, 3434000, 3949100, 4646000, 4936375, 7898200, 9872750, 15796400, 19745500, 39491000, 78982000]

約数ペア:

[(1, 78982000), (2, 39491000), (4, 19745500), (5, 15796400), (8, 9872750), (10, 7898200), (16, 4936375), (17, 4646000), (20, 3949100), (23, 3434000), (25, 3159280), (34, 2323000), (40, 1974550), (46, 1717000), (50, 1579640), (68, 1161500), (80, 987275), (85, 929200), (92, 858500), (100, 789820), (101, 782000), (115, 686800), (125, 631856), (136, 580750), (170, 464600), (184, 429250), (200, 394910), (202, 391000), (230, 343400), (250, 315928), (272, 290375), (340, 232300), (368, 214625), (391, 202000), (400, 197455), (404, 195500), (425, 185840), (460, 171700), (500, 157964), (505, 156400), (575, 137360), (680, 116150), (782, 101000), (808, 97750), (850, 92920), (920, 85850), (1000, 78982), (1010, 78200), (1150, 68680), (1360, 58075), (1564, 50500), (1616, 48875), (1700, 46460), (1717, 46000), (1840, 42925), (1955, 40400), (2000, 39491), (2020, 39100), (2125, 37168), (2300, 34340), (2323, 34000), (2525, 31280), (2875, 27472), (3128, 25250), (3400, 23230), (3434, 23000), (3910, 20200), (4040, 19550), (4250, 18584), (4600, 17170), (4646, 17000), (5050, 15640), (5750, 13736), (6256, 12625), (6800, 11615), (6868, 11500), (7820, 10100), (8080, 9775), (8500, 9292), (8585, 9200)]