1290837400

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 3077928000

約数和(自身を除く): 1787090600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 139, 200, 236, 278, 295, 472, 556, 590, 695, 787, 1112, 1180, 1390, 1475, 1574, 2360, 2780, 2950, 3148, 3475, 3935, 5560, 5900, 6296, 6950, 7870, 8201, 11800, 13900, 15740, 16402, 19675, 27800, 31480, 32804, 39350, 41005, 46433, 65608, 78700, 82010, 92866, 109393, 157400, 164020, 185732, 205025, 218786, 232165, 328040, 371464, 410050, 437572, 464330, 546965, 820100, 875144, 928660, 1093930, 1160825, 1640200, 1857320, 2187860, 2321650, 2734825, 4375720, 4643300, 5469650, 6454187, 9286600, 10939300, 12908374, 21878600, 25816748, 32270935, 51633496, 64541870, 129083740, 161354675, 258167480, 322709350, 645418700, 1290837400]

約数ペア:

[(1, 1290837400), (2, 645418700), (4, 322709350), (5, 258167480), (8, 161354675), (10, 129083740), (20, 64541870), (25, 51633496), (40, 32270935), (50, 25816748), (59, 21878600), (100, 12908374), (118, 10939300), (139, 9286600), (200, 6454187), (236, 5469650), (278, 4643300), (295, 4375720), (472, 2734825), (556, 2321650), (590, 2187860), (695, 1857320), (787, 1640200), (1112, 1160825), (1180, 1093930), (1390, 928660), (1475, 875144), (1574, 820100), (2360, 546965), (2780, 464330), (2950, 437572), (3148, 410050), (3475, 371464), (3935, 328040), (5560, 232165), (5900, 218786), (6296, 205025), (6950, 185732), (7870, 164020), (8201, 157400), (11800, 109393), (13900, 92866), (15740, 82010), (16402, 78700), (19675, 65608), (27800, 46433), (31480, 41005), (32804, 39350)]