172078780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 368869536

約数和(自身を除く): 196790756

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 281, 335, 457, 562, 670, 914, 1124, 1340, 1405, 1828, 2285, 2810, 4570, 5620, 9140, 18827, 30619, 37654, 61238, 75308, 94135, 122476, 128417, 153095, 188270, 256834, 306190, 376540, 513668, 612380, 642085, 1284170, 2568340, 8603939, 17207878, 34415756, 43019695, 86039390, 172078780]

約数ペア:

[(1, 172078780), (2, 86039390), (4, 43019695), (5, 34415756), (10, 17207878), (20, 8603939), (67, 2568340), (134, 1284170), (268, 642085), (281, 612380), (335, 513668), (457, 376540), (562, 306190), (670, 256834), (914, 188270), (1124, 153095), (1340, 128417), (1405, 122476), (1828, 94135), (2285, 75308), (2810, 61238), (4570, 37654), (5620, 30619), (9140, 18827)]