51569000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 141523200

約数和(自身を除く): 89954200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 125, 139, 140, 175, 200, 212, 250, 265, 278, 280, 350, 371, 424, 500, 530, 556, 695, 700, 742, 875, 973, 1000, 1060, 1112, 1325, 1390, 1400, 1484, 1750, 1855, 1946, 2120, 2650, 2780, 2968, 3475, 3500, 3710, 3892, 4865, 5300, 5560, 6625, 6950, 7000, 7367, 7420, 7784, 9275, 9730, 10600, 13250, 13900, 14734, 14840, 17375, 18550, 19460, 24325, 26500, 27800, 29468, 34750, 36835, 37100, 38920, 46375, 48650, 51569, 53000, 58936, 69500, 73670, 74200, 92750, 97300, 103138, 121625, 139000, 147340, 184175, 185500, 194600, 206276, 243250, 257845, 294680, 368350, 371000, 412552, 486500, 515690, 736700, 920875, 973000, 1031380, 1289225, 1473400, 1841750, 2062760, 2578450, 3683500, 5156900, 6446125, 7367000, 10313800, 12892250, 25784500, 51569000]

約数ペア:

[(1, 51569000), (2, 25784500), (4, 12892250), (5, 10313800), (7, 7367000), (8, 6446125), (10, 5156900), (14, 3683500), (20, 2578450), (25, 2062760), (28, 1841750), (35, 1473400), (40, 1289225), (50, 1031380), (53, 973000), (56, 920875), (70, 736700), (100, 515690), (106, 486500), (125, 412552), (139, 371000), (140, 368350), (175, 294680), (200, 257845), (212, 243250), (250, 206276), (265, 194600), (278, 185500), (280, 184175), (350, 147340), (371, 139000), (424, 121625), (500, 103138), (530, 97300), (556, 92750), (695, 74200), (700, 73670), (742, 69500), (875, 58936), (973, 53000), (1000, 51569), (1060, 48650), (1112, 46375), (1325, 38920), (1390, 37100), (1400, 36835), (1484, 34750), (1750, 29468), (1855, 27800), (1946, 26500), (2120, 24325), (2650, 19460), (2780, 18550), (2968, 17375), (3475, 14840), (3500, 14734), (3710, 13900), (3892, 13250), (4865, 10600), (5300, 9730), (5560, 9275), (6625, 7784), (6950, 7420), (7000, 7367)]