381551720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2607

約数の個数: 96

約数和(自身を含む): 974453760

約数和(自身を除く): 592902040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1705, 2420, 2543, 2728, 3410, 3751, 4840, 5086, 6820, 7502, 10172, 12715, 13640, 15004, 18755, 20344, 25430, 27973, 30008, 37510, 50860, 55946, 75020, 78833, 101720, 111892, 139865, 150040, 157666, 223784, 279730, 307703, 315332, 394165, 559460, 615406, 630664, 788330, 867163, 1118920, 1230812, 1538515, 1576660, 1734326, 2461624, 3077030, 3153320, 3468652, 4335815, 6154060, 6937304, 8671630, 9538793, 12308120, 17343260, 19077586, 34686520, 38155172, 47693965, 76310344, 95387930, 190775860, 381551720]

約数ペア:

[(1, 381551720), (2, 190775860), (4, 95387930), (5, 76310344), (8, 47693965), (10, 38155172), (11, 34686520), (20, 19077586), (22, 17343260), (31, 12308120), (40, 9538793), (44, 8671630), (55, 6937304), (62, 6154060), (88, 4335815), (110, 3468652), (121, 3153320), (124, 3077030), (155, 2461624), (220, 1734326), (242, 1576660), (248, 1538515), (310, 1230812), (341, 1118920), (440, 867163), (484, 788330), (605, 630664), (620, 615406), (682, 559460), (968, 394165), (1210, 315332), (1240, 307703), (1364, 279730), (1705, 223784), (2420, 157666), (2543, 150040), (2728, 139865), (3410, 111892), (3751, 101720), (4840, 78833), (5086, 75020), (6820, 55946), (7502, 50860), (10172, 37510), (12715, 30008), (13640, 27973), (15004, 25430), (18755, 20344)]