219317875

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 324166752

約数和(自身を除く): 104848877

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 587, 875, 1225, 1525, 2135, 2935, 2989, 4109, 6125, 7625, 10675, 14675, 14945, 20545, 28763, 35807, 53375, 73375, 74725, 102725, 143815, 179035, 250649, 373625, 513625, 719075, 895175, 1253245, 1754543, 3595375, 4475875, 6266225, 8772715, 31331125, 43863575, 219317875]

約数ペア:

[(1, 219317875), (5, 43863575), (7, 31331125), (25, 8772715), (35, 6266225), (49, 4475875), (61, 3595375), (125, 1754543), (175, 1253245), (245, 895175), (305, 719075), (427, 513625), (587, 373625), (875, 250649), (1225, 179035), (1525, 143815), (2135, 102725), (2935, 74725), (2989, 73375), (4109, 53375), (6125, 35807), (7625, 28763), (10675, 20545), (14675, 14945)]