1979548400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:919

約数の個数: 120

約数和(自身を含む): 4936065024

約数和(自身を除く): 2956516624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 263, 310, 400, 496, 526, 607, 620, 775, 1052, 1214, 1240, 1315, 1550, 2104, 2428, 2480, 2630, 3035, 3100, 4208, 4856, 5260, 6070, 6200, 6575, 8153, 9712, 10520, 12140, 12400, 13150, 15175, 16306, 18817, 21040, 24280, 26300, 30350, 32612, 37634, 40765, 48560, 52600, 60700, 65224, 75268, 81530, 94085, 105200, 121400, 130448, 150536, 159641, 163060, 188170, 203825, 242800, 301072, 319282, 326120, 376340, 407650, 470425, 638564, 652240, 752680, 798205, 815300, 940850, 1277128, 1505360, 1596410, 1630600, 1881700, 2554256, 3192820, 3261200, 3763400, 3991025, 4948871, 6385640, 7526800, 7982050, 9897742, 12771280, 15964100, 19795484, 24744355, 31928200, 39590968, 49488710, 63856400, 79181936, 98977420, 123721775, 197954840, 247443550, 395909680, 494887100, 989774200, 1979548400]

約数ペア:

[(1, 1979548400), (2, 989774200), (4, 494887100), (5, 395909680), (8, 247443550), (10, 197954840), (16, 123721775), (20, 98977420), (25, 79181936), (31, 63856400), (40, 49488710), (50, 39590968), (62, 31928200), (80, 24744355), (100, 19795484), (124, 15964100), (155, 12771280), (200, 9897742), (248, 7982050), (263, 7526800), (310, 6385640), (400, 4948871), (496, 3991025), (526, 3763400), (607, 3261200), (620, 3192820), (775, 2554256), (1052, 1881700), (1214, 1630600), (1240, 1596410), (1315, 1505360), (1550, 1277128), (2104, 940850), (2428, 815300), (2480, 798205), (2630, 752680), (3035, 652240), (3100, 638564), (4208, 470425), (4856, 407650), (5260, 376340), (6070, 326120), (6200, 319282), (6575, 301072), (8153, 242800), (9712, 203825), (10520, 188170), (12140, 163060), (12400, 159641), (13150, 150536), (15175, 130448), (16306, 121400), (18817, 105200), (21040, 94085), (24280, 81530), (26300, 75268), (30350, 65224), (32612, 60700), (37634, 52600), (40765, 48560)]