291212895880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1\times {\mathrm{139387}}^1$

素因数の和:142166

約数の個数: 64

約数和(自身を含む): 689970600000

約数和(自身を除く): 398757704120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2749, 5498, 10996, 13745, 21992, 27490, 52231, 54980, 104462, 109960, 139387, 208924, 261155, 278774, 417848, 522310, 557548, 696935, 1044620, 1115096, 1393870, 2089240, 2648353, 2787740, 5296706, 5575480, 10593412, 13241765, 21186824, 26483530, 52967060, 105934120, 383174863, 766349726, 1532699452, 1915874315, 3065398904, 3831748630, 7280322397, 7663497260, 14560644794, 15326994520, 29121289588, 36401611985, 58242579176, 72803223970, 145606447940, 291212895880]

約数ペア:

[(1, 291212895880), (2, 145606447940), (4, 72803223970), (5, 58242579176), (8, 36401611985), (10, 29121289588), (19, 15326994520), (20, 14560644794), (38, 7663497260), (40, 7280322397), (76, 3831748630), (95, 3065398904), (152, 1915874315), (190, 1532699452), (380, 766349726), (760, 383174863), (2749, 105934120), (5498, 52967060), (10996, 26483530), (13745, 21186824), (21992, 13241765), (27490, 10593412), (52231, 5575480), (54980, 5296706), (104462, 2787740), (109960, 2648353), (139387, 2089240), (208924, 1393870), (261155, 1115096), (278774, 1044620), (417848, 696935), (522310, 557548)]