858417400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 2140990200

約数和(自身を除く): 1282572800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 47, 50, 58, 67, 94, 100, 116, 134, 145, 188, 200, 232, 235, 268, 290, 335, 376, 470, 536, 580, 670, 725, 940, 1160, 1175, 1340, 1363, 1450, 1675, 1880, 1943, 2209, 2350, 2680, 2726, 2900, 3149, 3350, 3886, 4418, 4700, 5452, 5800, 6298, 6700, 6815, 7772, 8836, 9400, 9715, 10904, 11045, 12596, 13400, 13630, 15544, 15745, 17672, 19430, 22090, 25192, 27260, 31490, 34075, 38860, 44180, 48575, 54520, 55225, 62980, 64061, 68150, 77720, 78725, 88360, 91321, 97150, 110450, 125960, 128122, 136300, 148003, 157450, 182642, 194300, 220900, 256244, 272600, 296006, 314900, 320305, 365284, 388600, 441800, 456605, 512488, 592012, 629800, 640610, 730568, 740015, 913210, 1184024, 1281220, 1480030, 1601525, 1826420, 2283025, 2562440, 2960060, 3203050, 3652840, 3700075, 4292087, 4566050, 5920120, 6406100, 7400150, 8584174, 9132100, 12812200, 14800300, 17168348, 18264200, 21460435, 29600600, 34336696, 42920870, 85841740, 107302175, 171683480, 214604350, 429208700, 858417400]

約数ペア:

[(1, 858417400), (2, 429208700), (4, 214604350), (5, 171683480), (8, 107302175), (10, 85841740), (20, 42920870), (25, 34336696), (29, 29600600), (40, 21460435), (47, 18264200), (50, 17168348), (58, 14800300), (67, 12812200), (94, 9132100), (100, 8584174), (116, 7400150), (134, 6406100), (145, 5920120), (188, 4566050), (200, 4292087), (232, 3700075), (235, 3652840), (268, 3203050), (290, 2960060), (335, 2562440), (376, 2283025), (470, 1826420), (536, 1601525), (580, 1480030), (670, 1281220), (725, 1184024), (940, 913210), (1160, 740015), (1175, 730568), (1340, 640610), (1363, 629800), (1450, 592012), (1675, 512488), (1880, 456605), (1943, 441800), (2209, 388600), (2350, 365284), (2680, 320305), (2726, 314900), (2900, 296006), (3149, 272600), (3350, 256244), (3886, 220900), (4418, 194300), (4700, 182642), (5452, 157450), (5800, 148003), (6298, 136300), (6700, 128122), (6815, 125960), (7772, 110450), (8836, 97150), (9400, 91321), (9715, 88360), (10904, 78725), (11045, 77720), (12596, 68150), (13400, 64061), (13630, 62980), (15544, 55225), (15745, 54520), (17672, 48575), (19430, 44180), (22090, 38860), (25192, 34075), (27260, 31490)]