80791900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 201681536

約数和(自身を除く): 120889636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 211, 350, 422, 547, 700, 844, 1055, 1094, 1477, 2110, 2188, 2735, 2954, 3829, 4220, 5275, 5470, 5908, 7385, 7658, 10550, 10940, 13675, 14770, 15316, 19145, 21100, 27350, 29540, 36925, 38290, 54700, 73850, 76580, 95725, 115417, 147700, 191450, 230834, 382900, 461668, 577085, 807919, 1154170, 1615838, 2308340, 2885425, 3231676, 4039595, 5770850, 8079190, 11541700, 16158380, 20197975, 40395950, 80791900]

約数ペア:

[(1, 80791900), (2, 40395950), (4, 20197975), (5, 16158380), (7, 11541700), (10, 8079190), (14, 5770850), (20, 4039595), (25, 3231676), (28, 2885425), (35, 2308340), (50, 1615838), (70, 1154170), (100, 807919), (140, 577085), (175, 461668), (211, 382900), (350, 230834), (422, 191450), (547, 147700), (700, 115417), (844, 95725), (1055, 76580), (1094, 73850), (1477, 54700), (2110, 38290), (2188, 36925), (2735, 29540), (2954, 27350), (3829, 21100), (4220, 19145), (5275, 15316), (5470, 14770), (5908, 13675), (7385, 10940), (7658, 10550)]