1989524800

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^2\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 126

約数和(自身を含む): 4987572702

約数和(自身を除く): 2998047902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 200, 268, 277, 320, 335, 400, 536, 554, 670, 800, 1072, 1108, 1340, 1385, 1600, 1675, 2144, 2216, 2680, 2770, 3350, 4288, 4432, 4489, 5360, 5540, 6700, 6925, 8864, 8978, 10720, 11080, 13400, 13850, 17728, 17956, 18559, 21440, 22160, 22445, 26800, 27700, 35912, 37118, 44320, 44890, 53600, 55400, 71824, 74236, 88640, 89780, 92795, 107200, 110800, 112225, 143648, 148472, 179560, 185590, 221600, 224450, 287296, 296944, 359120, 371180, 443200, 448900, 463975, 593888, 718240, 742360, 897800, 927950, 1187776, 1243453, 1436480, 1484720, 1795600, 1855900, 2486906, 2969440, 3591200, 3711800, 4973812, 5938880, 6217265, 7182400, 7423600, 9947624, 12434530, 14847200, 19895248, 24869060, 29694400, 31086325, 39790496, 49738120, 62172650, 79580992, 99476240, 124345300, 198952480, 248690600, 397904960, 497381200, 994762400, 1989524800]

約数ペア:

[(1, 1989524800), (2, 994762400), (4, 497381200), (5, 397904960), (8, 248690600), (10, 198952480), (16, 124345300), (20, 99476240), (25, 79580992), (32, 62172650), (40, 49738120), (50, 39790496), (64, 31086325), (67, 29694400), (80, 24869060), (100, 19895248), (134, 14847200), (160, 12434530), (200, 9947624), (268, 7423600), (277, 7182400), (320, 6217265), (335, 5938880), (400, 4973812), (536, 3711800), (554, 3591200), (670, 2969440), (800, 2486906), (1072, 1855900), (1108, 1795600), (1340, 1484720), (1385, 1436480), (1600, 1243453), (1675, 1187776), (2144, 927950), (2216, 897800), (2680, 742360), (2770, 718240), (3350, 593888), (4288, 463975), (4432, 448900), (4489, 443200), (5360, 371180), (5540, 359120), (6700, 296944), (6925, 287296), (8864, 224450), (8978, 221600), (10720, 185590), (11080, 179560), (13400, 148472), (13850, 143648), (17728, 112225), (17956, 110800), (18559, 107200), (21440, 92795), (22160, 89780), (22445, 88640), (26800, 74236), (27700, 71824), (35912, 55400), (37118, 53600), (44320, 44890)]