1018400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 2656080

約数和(自身を除く): 1637680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 67, 76, 80, 95, 100, 134, 152, 160, 190, 200, 268, 304, 335, 380, 400, 475, 536, 608, 670, 760, 800, 950, 1072, 1273, 1340, 1520, 1675, 1900, 2144, 2546, 2680, 3040, 3350, 3800, 5092, 5360, 6365, 6700, 7600, 10184, 10720, 12730, 13400, 15200, 20368, 25460, 26800, 31825, 40736, 50920, 53600, 63650, 101840, 127300, 203680, 254600, 509200, 1018400]

約数ペア:

[(1, 1018400), (2, 509200), (4, 254600), (5, 203680), (8, 127300), (10, 101840), (16, 63650), (19, 53600), (20, 50920), (25, 40736), (32, 31825), (38, 26800), (40, 25460), (50, 20368), (67, 15200), (76, 13400), (80, 12730), (95, 10720), (100, 10184), (134, 7600), (152, 6700), (160, 6365), (190, 5360), (200, 5092), (268, 3800), (304, 3350), (335, 3040), (380, 2680), (400, 2546), (475, 2144), (536, 1900), (608, 1675), (670, 1520), (760, 1340), (800, 1273), (950, 1072)]