205880004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6581}}^1$

素因数の和:6681

約数の個数: 72

約数和(自身を含む): 575003520

約数和(自身を除く): 369123516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1422, 1738, 2607, 2844, 3476, 5214, 6581, 7821, 10428, 13162, 15642, 19743, 26324, 31284, 39486, 59229, 72391, 78972, 118458, 144782, 217173, 236916, 289564, 434346, 519899, 651519, 868692, 1039798, 1303038, 1559697, 2079596, 2606076, 3119394, 4679091, 5718889, 6238788, 9358182, 11437778, 17156667, 18716364, 22875556, 34313334, 51470001, 68626668, 102940002, 205880004]

約数ペア:

[(1, 205880004), (2, 102940002), (3, 68626668), (4, 51470001), (6, 34313334), (9, 22875556), (11, 18716364), (12, 17156667), (18, 11437778), (22, 9358182), (33, 6238788), (36, 5718889), (44, 4679091), (66, 3119394), (79, 2606076), (99, 2079596), (132, 1559697), (158, 1303038), (198, 1039798), (237, 868692), (316, 651519), (396, 519899), (474, 434346), (711, 289564), (869, 236916), (948, 217173), (1422, 144782), (1738, 118458), (2607, 78972), (2844, 72391), (3476, 59229), (5214, 39486), (6581, 31284), (7821, 26324), (10428, 19743), (13162, 15642)]