209929600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^2\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 553318380

約数和(自身を除く): 343388780

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 227, 272, 289, 320, 340, 400, 425, 454, 544, 578, 640, 680, 800, 850, 908, 1088, 1135, 1156, 1360, 1445, 1600, 1700, 1816, 2176, 2270, 2312, 2720, 2890, 3200, 3400, 3632, 3859, 4540, 4624, 5440, 5675, 5780, 6800, 7225, 7264, 7718, 9080, 9248, 10880, 11350, 11560, 13600, 14450, 14528, 15436, 18160, 18496, 19295, 22700, 23120, 27200, 28900, 29056, 30872, 36320, 36992, 38590, 45400, 46240, 54400, 57800, 61744, 65603, 72640, 77180, 90800, 92480, 96475, 115600, 123488, 131206, 145280, 154360, 181600, 184960, 192950, 231200, 246976, 262412, 308720, 328015, 363200, 385900, 462400, 493952, 524824, 617440, 656030, 726400, 771800, 924800, 1049648, 1234880, 1312060, 1543600, 1640075, 2099296, 2469760, 2624120, 3087200, 3280150, 4198592, 5248240, 6174400, 6560300, 8397184, 10496480, 12348800, 13120600, 20992960, 26241200, 41985920, 52482400, 104964800, 209929600]

約数ペア:

[(1, 209929600), (2, 104964800), (4, 52482400), (5, 41985920), (8, 26241200), (10, 20992960), (16, 13120600), (17, 12348800), (20, 10496480), (25, 8397184), (32, 6560300), (34, 6174400), (40, 5248240), (50, 4198592), (64, 3280150), (68, 3087200), (80, 2624120), (85, 2469760), (100, 2099296), (128, 1640075), (136, 1543600), (160, 1312060), (170, 1234880), (200, 1049648), (227, 924800), (272, 771800), (289, 726400), (320, 656030), (340, 617440), (400, 524824), (425, 493952), (454, 462400), (544, 385900), (578, 363200), (640, 328015), (680, 308720), (800, 262412), (850, 246976), (908, 231200), (1088, 192950), (1135, 184960), (1156, 181600), (1360, 154360), (1445, 145280), (1600, 131206), (1700, 123488), (1816, 115600), (2176, 96475), (2270, 92480), (2312, 90800), (2720, 77180), (2890, 72640), (3200, 65603), (3400, 61744), (3632, 57800), (3859, 54400), (4540, 46240), (4624, 45400), (5440, 38590), (5675, 36992), (5780, 36320), (6800, 30872), (7225, 29056), (7264, 28900), (7718, 27200), (9080, 23120), (9248, 22700), (10880, 19295), (11350, 18496), (11560, 18160), (13600, 15436), (14450, 14528)]