2019920875

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1086

約数の個数: 96

約数和(自身を含む): 3271544640

約数和(自身を除く): 1251623765

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 85, 95, 119, 125, 133, 175, 245, 323, 425, 475, 595, 665, 833, 875, 931, 1021, 1225, 1615, 2125, 2261, 2375, 2975, 3325, 4165, 4655, 5105, 6125, 7147, 8075, 11305, 14875, 15827, 16625, 17357, 19399, 20825, 23275, 25525, 35735, 40375, 50029, 56525, 79135, 86785, 96995, 104125, 116375, 121499, 127625, 135793, 178675, 250145, 282625, 329783, 395675, 433925, 484975, 607495, 678965, 850493, 893375, 950551, 1250725, 1648915, 1978375, 2169625, 2308481, 2424875, 3037475, 3394825, 4252465, 4752755, 6253625, 8244575, 11542405, 15187375, 16159367, 16974125, 21262325, 23763775, 41222875, 57712025, 80796835, 106311625, 118818875, 288560125, 403984175, 2019920875]

約数ペア:

[(1, 2019920875), (5, 403984175), (7, 288560125), (17, 118818875), (19, 106311625), (25, 80796835), (35, 57712025), (49, 41222875), (85, 23763775), (95, 21262325), (119, 16974125), (125, 16159367), (133, 15187375), (175, 11542405), (245, 8244575), (323, 6253625), (425, 4752755), (475, 4252465), (595, 3394825), (665, 3037475), (833, 2424875), (875, 2308481), (931, 2169625), (1021, 1978375), (1225, 1648915), (1615, 1250725), (2125, 950551), (2261, 893375), (2375, 850493), (2975, 678965), (3325, 607495), (4165, 484975), (4655, 433925), (5105, 395675), (6125, 329783), (7147, 282625), (8075, 250145), (11305, 178675), (14875, 135793), (15827, 127625), (16625, 121499), (17357, 116375), (19399, 104125), (20825, 96995), (23275, 86785), (25525, 79135), (35735, 56525), (40375, 50029)]