77984950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4041

約数の個数: 48

約数和(自身を含む): 160302240

約数和(自身を除く): 82317290

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1150, 1955, 3910, 3989, 7978, 9775, 19550, 19945, 39890, 67813, 91747, 99725, 135626, 183494, 199450, 339065, 458735, 678130, 917470, 1559699, 1695325, 2293675, 3119398, 3390650, 4587350, 7798495, 15596990, 38992475, 77984950]

約数ペア:

[(1, 77984950), (2, 38992475), (5, 15596990), (10, 7798495), (17, 4587350), (23, 3390650), (25, 3119398), (34, 2293675), (46, 1695325), (50, 1559699), (85, 917470), (115, 678130), (170, 458735), (230, 339065), (391, 199450), (425, 183494), (575, 135626), (782, 99725), (850, 91747), (1150, 67813), (1955, 39890), (3910, 19945), (3989, 19550), (7978, 9775)]