881021860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 1965293568

約数和(自身を除く): 1084271708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 127, 134, 155, 167, 254, 268, 310, 334, 335, 508, 620, 635, 668, 670, 835, 1270, 1340, 1670, 2077, 2540, 3340, 3937, 4154, 5177, 7874, 8308, 8509, 10354, 10385, 11189, 15748, 17018, 19685, 20708, 20770, 21209, 22378, 25885, 34036, 39370, 41540, 42418, 42545, 44756, 51770, 55945, 78740, 84836, 85090, 103540, 106045, 111890, 170180, 212090, 223780, 263779, 346859, 424180, 527558, 657479, 693718, 1055116, 1314958, 1318895, 1387436, 1421003, 1734295, 2629916, 2637790, 2842006, 3287395, 3468590, 5275580, 5684012, 6574790, 6937180, 7105015, 13149580, 14210030, 28420060, 44051093, 88102186, 176204372, 220255465, 440510930, 881021860]

約数ペア:

[(1, 881021860), (2, 440510930), (4, 220255465), (5, 176204372), (10, 88102186), (20, 44051093), (31, 28420060), (62, 14210030), (67, 13149580), (124, 7105015), (127, 6937180), (134, 6574790), (155, 5684012), (167, 5275580), (254, 3468590), (268, 3287395), (310, 2842006), (334, 2637790), (335, 2629916), (508, 1734295), (620, 1421003), (635, 1387436), (668, 1318895), (670, 1314958), (835, 1055116), (1270, 693718), (1340, 657479), (1670, 527558), (2077, 424180), (2540, 346859), (3340, 263779), (3937, 223780), (4154, 212090), (5177, 170180), (7874, 111890), (8308, 106045), (8509, 103540), (10354, 85090), (10385, 84836), (11189, 78740), (15748, 55945), (17018, 51770), (19685, 44756), (20708, 42545), (20770, 42418), (21209, 41540), (22378, 39370), (25885, 34036)]