391384980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2275

約数の個数: 192

約数和(自身を含む): 1421844480

約数和(自身を除く): 1030459500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 378, 420, 423, 470, 540, 564, 630, 658, 705, 756, 846, 940, 945, 987, 1260, 1269, 1316, 1410, 1645, 1692, 1890, 1974, 2115, 2203, 2538, 2820, 2961, 3290, 3780, 3948, 4230, 4406, 4935, 5076, 5922, 6345, 6580, 6609, 8460, 8812, 8883, 9870, 11015, 11844, 12690, 13218, 14805, 15421, 17766, 19740, 19827, 22030, 25380, 26436, 29610, 30842, 33045, 35532, 39654, 44060, 44415, 46263, 59220, 59481, 61684, 66090, 77105, 79308, 88830, 92526, 99135, 103541, 118962, 132180, 138789, 154210, 177660, 185052, 198270, 207082, 231315, 237924, 277578, 297405, 308420, 310623, 396540, 414164, 416367, 462630, 517705, 555156, 594810, 621246, 693945, 724787, 832734, 925260, 931869, 1035410, 1189620, 1242492, 1387890, 1449574, 1553115, 1665468, 1863738, 2070820, 2081835, 2174361, 2775780, 2795607, 2899148, 3106230, 3623935, 3727476, 4163670, 4348722, 4659345, 5591214, 6212460, 6523083, 7247870, 8327340, 8697444, 9318690, 10871805, 11182428, 13046166, 13978035, 14495740, 18637380, 19569249, 21743610, 26092332, 27956070, 32615415, 39138498, 43487220, 55912140, 65230830, 78276996, 97846245, 130461660, 195692490, 391384980]

約数ペア:

[(1, 391384980), (2, 195692490), (3, 130461660), (4, 97846245), (5, 78276996), (6, 65230830), (7, 55912140), (9, 43487220), (10, 39138498), (12, 32615415), (14, 27956070), (15, 26092332), (18, 21743610), (20, 19569249), (21, 18637380), (27, 14495740), (28, 13978035), (30, 13046166), (35, 11182428), (36, 10871805), (42, 9318690), (45, 8697444), (47, 8327340), (54, 7247870), (60, 6523083), (63, 6212460), (70, 5591214), (84, 4659345), (90, 4348722), (94, 4163670), (105, 3727476), (108, 3623935), (126, 3106230), (135, 2899148), (140, 2795607), (141, 2775780), (180, 2174361), (188, 2081835), (189, 2070820), (210, 1863738), (235, 1665468), (252, 1553115), (270, 1449574), (282, 1387890), (315, 1242492), (329, 1189620), (378, 1035410), (420, 931869), (423, 925260), (470, 832734), (540, 724787), (564, 693945), (630, 621246), (658, 594810), (705, 555156), (756, 517705), (846, 462630), (940, 416367), (945, 414164), (987, 396540), (1260, 310623), (1269, 308420), (1316, 297405), (1410, 277578), (1645, 237924), (1692, 231315), (1890, 207082), (1974, 198270), (2115, 185052), (2203, 177660), (2538, 154210), (2820, 138789), (2961, 132180), (3290, 118962), (3780, 103541), (3948, 99135), (4230, 92526), (4406, 88830), (4935, 79308), (5076, 77105), (5922, 66090), (6345, 61684), (6580, 59481), (6609, 59220), (8460, 46263), (8812, 44415), (8883, 44060), (9870, 39654), (11015, 35532), (11844, 33045), (12690, 30842), (13218, 29610), (14805, 26436), (15421, 25380), (17766, 22030), (19740, 19827)]