7954540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 19439280

約数和(自身を除く): 11484740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 173, 190, 209, 220, 242, 346, 380, 418, 484, 605, 692, 836, 865, 1045, 1210, 1730, 1903, 2090, 2299, 2420, 3287, 3460, 3806, 4180, 4598, 6574, 7612, 9196, 9515, 11495, 13148, 16435, 19030, 20933, 22990, 32870, 36157, 38060, 41866, 45980, 65740, 72314, 83732, 104665, 144628, 180785, 209330, 361570, 397727, 418660, 723140, 795454, 1590908, 1988635, 3977270, 7954540]

約数ペア:

[(1, 7954540), (2, 3977270), (4, 1988635), (5, 1590908), (10, 795454), (11, 723140), (19, 418660), (20, 397727), (22, 361570), (38, 209330), (44, 180785), (55, 144628), (76, 104665), (95, 83732), (110, 72314), (121, 65740), (173, 45980), (190, 41866), (209, 38060), (220, 36157), (242, 32870), (346, 22990), (380, 20933), (418, 19030), (484, 16435), (605, 13148), (692, 11495), (836, 9515), (865, 9196), (1045, 7612), (1210, 6574), (1730, 4598), (1903, 4180), (2090, 3806), (2299, 3460), (2420, 3287)]