251102110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 275799650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 139, 197, 262, 278, 394, 655, 695, 917, 973, 985, 1310, 1379, 1390, 1834, 1946, 1970, 2758, 4585, 4865, 6895, 9170, 9730, 13790, 18209, 25807, 27383, 36418, 51614, 54766, 91045, 127463, 129035, 136915, 180649, 182090, 191681, 254926, 258070, 273830, 361298, 383362, 637315, 903245, 958405, 1274630, 1806490, 1916810, 3587173, 7174346, 17935865, 25110211, 35871730, 50220422, 125551055, 251102110]

約数ペア:

[(1, 251102110), (2, 125551055), (5, 50220422), (7, 35871730), (10, 25110211), (14, 17935865), (35, 7174346), (70, 3587173), (131, 1916810), (139, 1806490), (197, 1274630), (262, 958405), (278, 903245), (394, 637315), (655, 383362), (695, 361298), (917, 273830), (973, 258070), (985, 254926), (1310, 191681), (1379, 182090), (1390, 180649), (1834, 136915), (1946, 129035), (1970, 127463), (2758, 91045), (4585, 54766), (4865, 51614), (6895, 36418), (9170, 27383), (9730, 25807), (13790, 18209)]