3131450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 6963840

約数和(自身を除く): 3832390

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 389, 575, 778, 805, 1150, 1610, 1945, 2723, 3890, 4025, 5446, 8050, 8947, 9725, 13615, 17894, 19450, 27230, 44735, 62629, 68075, 89470, 125258, 136150, 223675, 313145, 447350, 626290, 1565725, 3131450]

約数ペア:

[(1, 3131450), (2, 1565725), (5, 626290), (7, 447350), (10, 313145), (14, 223675), (23, 136150), (25, 125258), (35, 89470), (46, 68075), (50, 62629), (70, 44735), (115, 27230), (161, 19450), (175, 17894), (230, 13615), (322, 9725), (350, 8947), (389, 8050), (575, 5446), (778, 4025), (805, 3890), (1150, 2723), (1610, 1945)]