2805881.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 112608000

約数和(自身を除く): 64124120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 229, 268, 316, 335, 395, 458, 536, 632, 670, 790, 916, 1145, 1340, 1580, 1832, 2290, 2680, 3160, 4580, 5293, 9160, 10586, 15343, 18091, 21172, 26465, 30686, 36182, 42344, 52930, 61372, 72364, 76715, 90455, 105860, 122744, 144728, 153430, 180910, 211720, 306860, 361820, 613720, 723640, 1212097, 2424194, 4848388, 6060485, 9696776, 12120970, 24241940, 48483880]

約数ペア:

[(1, 48483880), (2, 24241940), (4, 12120970), (5, 9696776), (8, 6060485), (10, 4848388), (20, 2424194), (40, 1212097), (67, 723640), (79, 613720), (134, 361820), (158, 306860), (229, 211720), (268, 180910), (316, 153430), (335, 144728), (395, 122744), (458, 105860), (536, 90455), (632, 76715), (670, 72364), (790, 61372), (916, 52930), (1145, 42344), (1340, 36182), (1580, 30686), (1832, 26465), (2290, 21172), (2680, 18091), (3160, 15343), (4580, 10586), (5293, 9160)]