137394890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 271434240

約数和(自身を除く): 134039350

約数列:

[1, 2, 5, 10, 19, 38, 43, 67, 86, 95, 134, 190, 215, 251, 335, 430, 502, 670, 817, 1255, 1273, 1634, 2510, 2546, 2881, 4085, 4769, 5762, 6365, 8170, 9538, 10793, 12730, 14405, 16817, 21586, 23845, 28810, 33634, 47690, 53965, 54739, 84085, 107930, 109478, 168170, 205067, 273695, 319523, 410134, 547390, 639046, 723131, 1025335, 1446262, 1597615, 2050670, 3195230, 3615655, 7231310, 13739489, 27478978, 68697445, 137394890]

約数ペア:

[(1, 137394890), (2, 68697445), (5, 27478978), (10, 13739489), (19, 7231310), (38, 3615655), (43, 3195230), (67, 2050670), (86, 1597615), (95, 1446262), (134, 1025335), (190, 723131), (215, 639046), (251, 547390), (335, 410134), (430, 319523), (502, 273695), (670, 205067), (817, 168170), (1255, 109478), (1273, 107930), (1634, 84085), (2510, 54739), (2546, 53965), (2881, 47690), (4085, 33634), (4769, 28810), (5762, 23845), (6365, 21586), (8170, 16817), (9538, 14405), (10793, 12730)]