627427880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{1049}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 1489320000

約数和(自身を除く): 861892120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 787, 1049, 1574, 2098, 3148, 3935, 4196, 5245, 6296, 7870, 8392, 10490, 14953, 15740, 19931, 20980, 29906, 31480, 39862, 41960, 59812, 74765, 79724, 99655, 119624, 149530, 159448, 199310, 299060, 398620, 598120, 797240, 825563, 1651126, 3302252, 4127815, 6604504, 8255630, 15685697, 16511260, 31371394, 33022520, 62742788, 78428485, 125485576, 156856970, 313713940, 627427880]

約数ペア:

[(1, 627427880), (2, 313713940), (4, 156856970), (5, 125485576), (8, 78428485), (10, 62742788), (19, 33022520), (20, 31371394), (38, 16511260), (40, 15685697), (76, 8255630), (95, 6604504), (152, 4127815), (190, 3302252), (380, 1651126), (760, 825563), (787, 797240), (1049, 598120), (1574, 398620), (2098, 299060), (3148, 199310), (3935, 159448), (4196, 149530), (5245, 119624), (6296, 99655), (7870, 79724), (8392, 74765), (10490, 59812), (14953, 41960), (15740, 39862), (19931, 31480), (20980, 29906)]