161711270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 339860448

約数和(自身を除く): 178149178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 401, 490, 802, 823, 1646, 2005, 2807, 4010, 4115, 5614, 5761, 8230, 11522, 14035, 19649, 28070, 28805, 39298, 40327, 57610, 80654, 98245, 196490, 201635, 330023, 403270, 660046, 1650115, 2310161, 3300230, 4620322, 11550805, 16171127, 23101610, 32342254, 80855635, 161711270]

約数ペア:

[(1, 161711270), (2, 80855635), (5, 32342254), (7, 23101610), (10, 16171127), (14, 11550805), (35, 4620322), (49, 3300230), (70, 2310161), (98, 1650115), (245, 660046), (401, 403270), (490, 330023), (802, 201635), (823, 196490), (1646, 98245), (2005, 80654), (2807, 57610), (4010, 40327), (4115, 39298), (5614, 28805), (5761, 28070), (8230, 19649), (11522, 14035)]