7111700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 54

約数和(自身を含む): 16370046

約数和(自身を除く): 9258346

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 197, 361, 380, 394, 475, 722, 788, 950, 985, 1444, 1805, 1900, 1970, 3610, 3743, 3940, 4925, 7220, 7486, 9025, 9850, 14972, 18050, 18715, 19700, 36100, 37430, 71117, 74860, 93575, 142234, 187150, 284468, 355585, 374300, 711170, 1422340, 1777925, 3555850, 7111700]

約数ペア:

[(1, 7111700), (2, 3555850), (4, 1777925), (5, 1422340), (10, 711170), (19, 374300), (20, 355585), (25, 284468), (38, 187150), (50, 142234), (76, 93575), (95, 74860), (100, 71117), (190, 37430), (197, 36100), (361, 19700), (380, 18715), (394, 18050), (475, 14972), (722, 9850), (788, 9025), (950, 7486), (985, 7220), (1444, 4925), (1805, 3940), (1900, 3743), (1970, 3610)]