191509930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 387400320

約数和(自身を除く): 195890390

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 211, 281, 323, 422, 562, 646, 1055, 1405, 1615, 2110, 2810, 3230, 3587, 4009, 4777, 5339, 7174, 8018, 9554, 10678, 17935, 20045, 23885, 26695, 35870, 40090, 47770, 53390, 59291, 68153, 90763, 118582, 136306, 181526, 296455, 340765, 453815, 592910, 681530, 907630, 1007947, 1126529, 2015894, 2253058, 5039735, 5632645, 10079470, 11265290, 19150993, 38301986, 95754965, 191509930]

約数ペア:

[(1, 191509930), (2, 95754965), (5, 38301986), (10, 19150993), (17, 11265290), (19, 10079470), (34, 5632645), (38, 5039735), (85, 2253058), (95, 2015894), (170, 1126529), (190, 1007947), (211, 907630), (281, 681530), (323, 592910), (422, 453815), (562, 340765), (646, 296455), (1055, 181526), (1405, 136306), (1615, 118582), (2110, 90763), (2810, 68153), (3230, 59291), (3587, 53390), (4009, 47770), (4777, 40090), (5339, 35870), (7174, 26695), (8018, 23885), (9554, 20045), (10678, 17935)]